Amicus Curiae Brief — West Virginia, et al., Petitioners v. Environmental Protection Agency, et al.

Supreme Court briefJan 25, 2022

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Nos. 20-1530, 20-1531, 20-1778 and 20-1780

In the

Supreme Court of the United States

WEST VIRGINIA, et al.,

Petitioners,

v.

Environmental Protection Agency, et al.,

Respondents.

THE NORTH AMERICAN COAL CORPORATION,

Petitioner,

v.

Environmental Protection Agency, et al.,

Respondents.

(For Continuation of Caption See Inside Cover)

On Writs of Certiorari to the United States Court of

A ppeals for the District of Columbia Circuit

BRIEF OF AMICUS CURIAE RICHARD L. REVESZ

IN SUPPORT OF FEDERAL, NON-GOVERNMENTAL

ORGANIZATION AND TRADE ASSOCIATION, POWER

COMPANY, AND STATE AND MUNICIPAL RESPONDENTS

Jack Lienke

Rachel Rothschild

Max Sarinsky

Institute for Policy

Integrity

139 MacDougal Street,

3rd Floor

New York, New York 10012

(212) 992-8932

Richard L. Revesz

Counsel of Record

New York University

School of Law

40 Washington Square South

New York, New York 10012

(212) 998-6185

richard.revesz@nyu.edu

Counsel for Amicus Curiae

309515

WESTMORELAND MINING HOLDINGS LLC,

Petitioner,

v.

Environmental Protection Agency, et al.,

Respondents.

NORTH DAKOTA,

Petitioner,

v.

Environmental Protection Agency, et al.,

Respondents.

i

TABLE OF CONTENTS

Page

TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . i

TABLE OF CITED AUTHORITES . . . . . . . . . . . . . . . iii

INTEREST OF AMICUS CURIAE . . . . . . . . . . . . . . . . 1

SUMMARY OF ARGUMENT . . . . . . . . . . . . . . . . . . . . 2

ARGUMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

I.

The Factors that Petitioners Deem Indicative

of a Major Question Are Unworkable and

Fail to Distinguish the Clean Power Plan

from Many Other Regulations . . . . . . . . . . . . . . 5

A. The Clean Power Plan’s Costs, Which

Petitioners Wildly Overstate, Are Not

a Workable Criterion for Application of

the Major Questions Doctrine . . . . . . . . . . . 5

B. Petitioners’ Focus on Legislative

Failures Under the Major Questions

Doctrine Disregards This Court’s Clear

Precedent and Does Not Meaningfully

Differentiate the Clean Power Plan . . . . . . 12

C. Public Salience Is a Problematic

Consideration Under the Major

Questions Doctrine, as Evidenced

by Petitioners’ Various Unworkable

Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

ii

Table of Contents

Page

II. EPA’s Past Reliance on Flexible Compliance

Mecha n i sms, Includ i ng G enerat ion

Shifting, Under Administrations of Both

Parties, Belies Petitioners’ Claims That

the Clean Power Plan’s Novelty Triggers

the Major Questions Doctrine . . . . . . . . . . . . . . 21

A. EPA Has Previously Set the Stringency

of Section 111(d) Standards Based on

the Use of Generation Shifting and

Emissions Trading . . . . . . . . . . . . . . . . . . . . 22

B. EPA Has Previously Set the Stringency

of Standards Under Other Clean Air

Act Provisions Based on Generation

Shifting and Emissions Trading . . . . . . . . 24

III. Section 111(d) Is Not an Afterthought, as

Petitioners Claim in Their Major Questions

Analysis, But a Key Component of the

Clean Air Act’s Comprehensive Approach

to Regulating Pollution . . . . . . . . . . . . . . . . . . . . 29

CONCLUSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

iii

TABLE OF CITED AUTHORITIES

Page

Cases

Ass’n of Pac. Fisheries v. EPA.,

615 F.2d 794 (9th Cir. 1980) . . . . . . . . . . . . . . . . . . . . 10

Biden v. Texas,

210 L. Ed. 2d 1014 (Aug. 24, 2021) . . . . . . . . . . . . . . . 19

Bostock v. Clayton County, Georgia,

140 S. Ct. 1731 (2020) . . . . . . . . . . . . . . . . . . . . 3, 12, 13

Conroy v. Aniskoff,

507 U.S. 511 (1993) . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Dep’t of Homeland Sec. v. New York,

140 S. Ct. 599 (2020) . . . . . . . . . . . . . . . . . . . . . . . 17, 20

Dep’t of Homeland Sec. v.

Regents of the Univ. of Cal.,

140 S. Ct. 1891 (2020) . . . . . . . . . . . . . . . . . . . . . . . . . . 7

EPA v. EME Homer City,

572 U.S. 489 (2013) . . . . . . . . . . . . . . . . . . . . . . . . 18, 25

Food & Drug Admin. v.

Brown & Williamson Tobacco Corp.,

529 U.S. 120 (2000) . . . . . . . . . . . . . . . . . . . . . . 5, 14, 15

King v. Burwell,

576 U.S. 473 (2015) . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

iv

Cited Authorities

Page

MCI Telecommunications Corp. v.

Am. Tel. & Tel. Co.,

512 U.S. 218 (1994) . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Nat. Res. Def. Council v. Thomas,

805 F.2d 410 (D.C. Cir. 1986) . . . . . . . . . . . . . . . . . . . 27

Nat’l Ass’n of Metal Finishers v. EPA,

719 F.2d 624 (3d Cir. 1983), rev’d on other grounds

sub nom. Chem. Mfrs. Ass’n v. Nat. Res. Def.

Council, Inc., 470 U.S. 116 (1985) . . . . . . . . . . . . . . . 10

New Jersey v. EPA,

517 F.3d 574 (D.C. Cir. 2008) . . . . . . . . . . . . . . . . . . . 23

Rucho v. Common Cause,

139 S. Ct. 2484 (2019) . . . . . . . . . . . . . . . . . . . . . . . 5, 18

Sierra Club v. Costle,

657 F.2d 298 (D.C. Cir. 1981) . . . . . . . . . . . . . . . . . . . . 9

Small Refiner Lead Phase-Down Task Force v.

EPA,

705 F.2d 506 (D.C. Cir. 1983) . . . . . . . . . . . . . . . . . . . 27

Sullivan v. Finkelstein,

496 U.S. 617 (1990) . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Train v. Nat. Res. Def. Council, Inc.,

421 U.S. 60 (1975) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

v

Cited Authorities

Page

Utility Air Regulatory Group v. EPA,

573 U.S. 302 (2014) . . . . . . . . . . . . . . . . . . . . . 18, 22, 29

Wisconsin v. EPA,

938 F.3d 303 (D.C. Cir. 2019) . . . . . . . . . . . . . . . . . . . 25

Statutes and Other Authorities

42 U.S.C. § 7410(a)(2)(D)(i)(I) . . . . . . . . . . . . . . . . . . 24-25

42 U.S.C. § 7411(a)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

42 U.S.C. § 7411(d)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

42 U.S.C. § 7521(a)(3)(A)(i) . . . . . . . . . . . . . . . . . . . . . . . . 27

42 U.S.C. § 7545 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

42 U.S.C. § 7602(h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

40 C.F.R. § 60.24(b)(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

40 Fed. Reg. 53,340 (Nov. 17, 1975) . . . . . . . . . . . . . 30, 31

42 Fed. Reg. 55,796 (Oct. 18, 1977) . . . . . . . . . . . . . . . . . 31

44 Fed. Reg. 29,828 (May 22, 1979) . . . . . . . . . . . . . . . . 31

45 Fed. Reg. 26,294 (Apr. 17, 1980) . . . . . . . . . . . . . . . . 31

vi

Cited Authorities

Page

46 Fed. Reg. 13,193 (Feb. 17, 1981) . . . . . . . . . . . . . . . . . 11

47 Fed. Reg. 49,322 (Oct. 29, 1982) . . . . . . . . . . . . . . . . . 27

48 Fed. Reg. 33,456 (July 21, 1983) . . . . . . . . . . . . . . . . . 26

58 Fed. Reg. 51,735 (Oct. 4, 1993) . . . . . . . . . . . . . . . . . . 11

61 Fed. Reg. 9905 (Mar. 12, 1996) . . . . . . . . . . . . . . . . . 31

63 Fed. Reg. 57,356 (Oct. 27, 1998) . . . . . . . . . . . . . . . . . 25

70 Fed. Reg. 25,162 (May 12, 2005) . . . . . . . . . . . . . . . . 25

70 Fed. Reg. 28,606 (May 18, 2005) . . . . . . . . . . 22, 23, 24

71 Fed. Reg. 39,154 (July 11, 2006) . . . . . . . . . . . . . . . . . 28

72 Fed. Reg. 8428 (Feb. 26, 2007) . . . . . . . . . . . . . . . . . 26

73 Fed. Reg. 3568 (Jan. 18, 2008) . . . . . . . . . . . . . . . . . . 28

73 Fed. Reg. 71,730 (Nov. 25, 2008) . . . . . . . . . . . . . . . . . 8

76 Fed. Reg. 48,208 (Aug. 8, 2011) . . . . . . . . . . . . . . 25, 26

76 Fed. Reg. 57,106 (Sept. 15, 2011) . . . . . . . . . . . . . . . . 27

77 Fed. Reg. 62,624 (Oct. 15, 2012) . . . . . . . . . . . . 9, 26, 27

vii

Cited Authorities

Page

81 Fed. Reg. 74,504 (Oct. 26, 2016) . . . . . . . . . . . . . . . . . 25

85 Fed. Reg. 61,505 (Sept. 29, 2020) . . . . . . . . . . . . . . . . . 8

85 Fed. Reg. 68,964 (Oct. 30, 2020) . . . . . . . . . . . . . . . . 26

85 Fed. Reg. 72,158 (Nov. 12, 2020) . . . . . . . . . . . . . . . . . 8

86 Fed. Reg. 23,054 (Apr. 30, 2021) . . . . . . . . . . . . . . . . 26

116 Cong. Rec. 32,901 (1970) . . . . . . . . . . . . . . . . . . . . . . 31

Bills by Final Status, GovTrack . . . . . . . . . . . . . . . . . . 14

Brian Leiter, 20 Most-Cited Administrative

and/or Environmental Law Faculty in

the U.S., 2016–2020, The Law Professor

Blogs Network (Nov. 8, 2021) . . . . . . . . . . . . . . . . . . . . 1

Brief of Leon G. Billings and Thomas C. Jorling

as Amici Curiae in Support of Respondents,

We s t V i r g i n i a v . EPA , No . 1 5 -1 3 6 3

(D.C. Cir. dismissed Sept. 17, 2019) . . . . . . . . . . . . . 30

Denise A. Grab & Jack Lienke, The Falling Cost

of Clean Power Plan Compliance (2017) . . . . . . . . 7, 8

EPA, Clean Power Plan Response to Comments,

EPA-HQ - OA R -2 013 - 0 6 0 2 - 3710 6 , Ch. 8

Economic & Employment Impacts Part 1:

Sections 8.0 Through 8.6 (2015) . . . . . . . . . . . . . . . . . . 7

viii

Cited Authorities

Page

E PA , R e g u l a t o r y I mp a c t A n a l y s i s fo r

the Clean Power Plan Final Rule (2015) . . . . . . . . . . 8

Exec. Order 12,291 § 2(c) . . . . . . . . . . . . . . . . . . . . . . . . . 11

Exec. Order 12,866 § 1(a) . . . . . . . . . . . . . . . . . . . . . . . . . 11

H.R. 910, 112th Cong. (2011) . . . . . . . . . . . . . . . . . . . . . . 13

H.R. 2454, 111th Cong. § 703 (2009) . . . . . . . . . . . . . . . . 13

H.R. 3826, 113th Cong. (2014) . . . . . . . . . . . . . . . . . . . . . 13

H.R. 5300, 113th Cong. § 2(b)(2) (2014) . . . . . . . . . . . . . 13

H.R. Rep. No. 117-64 (2021) . . . . . . . . . . . . . . . . . . . . . . 32

Job Openings, Hires, and Total Separations by

Industry, Seasonally Adjusted, Bureau of

Labor Statistics (last updated Jan. 4, 2022) . . . . . . . 9

Natasha Br unstein & Richard L. Revesz,

Mangling the Major Questions Doctrine,

74 Admin. L. Rev. (forthcoming 2022) . . . 2, 16, 17, 21

Poll: Majority in All States, Congressional

Districts Support Clean Power Plan, Yale

School of the Environment (Feb. 28, 2017) . . . . . . . 20

Pub. L. No. 117-23, 135 Stat. 295 (2021) . . . . . . . . . . . . . 32

ix

Cited Authorities

Page

Publi c Ch ar ge Liti ga ti o n, Ct r. for P ub.

Representation (last updated Mar. 9, 2021) . . . . . . 17

Remarks on Border Wall Construction and

Immigration Reform Near Alamo, Texas,

2021 Daily Comp. Pres. Doc. 14 (Jan. 12, 2021) . . . . 19

Revenue from Sales of Electricity to Ultimate

Customers, U.S. Energy Info. Admin. . . . . . . . . 10–11

Richard L. Revesz, Bostock and the End of

the Climate Change Double Standard,

46 Colum. J. Env’t L. 1 (2020) . . . . . . . . . . . . . 1, 13, 22

Richard L. Revesz et al., Familiar Territory:

A Survey of Legal Precedents for the Clean

Power Plan, 46 Env’t L. Rep. 10,190 (2016) . . . . . . . . 1

Richard Schmalensee & Robert N. Stavins, Policy

Evolution Under the Clean Air Act, Resources

for the Future (Working Paper No. 18-27,

2018) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

S. Rep. No. 91-1196 (1970) . . . . . . . . . . . . . . . . . . . . . . . . 30

S.J. Res. 24, 114th Cong. (2015) . . . . . . . . . . . . . . . . 13–14

x

Cited Authorities

Page

Staff of Permanent Subcomm. on Investigations,

116th Cong., Abuses of the Federal Noticeand- Comment Rulemaking Process

(Comm. Print. 2019) . . . . . . . . . . . . . . . . . . . . . . . 15–16

Steve Balla et al., Mass, Computer-Generated,

and Fraudulent Comments (June 1, 2021) . . . . . . . 16

1

INTEREST OF AMICUS CURIAE

Amicus Richard L. Revesz,1 the AnBryce Professor of

Law and Dean Emeritus at New York University School

of Law, has published more than 100 books, articles, and

chapters on environmental and administrative law, and was

recently listed as the nation’s most cited environmental

and administrative law scholar. 2 In particular, Professor

Revesz has written extensively on the regulatory state,

the Clean Air Act, and the major questions doctrine.

Through his scholarship, Professor Revesz has described

the considerable regulatory precedent for the Clean

Power Plan and highlighted the extensive use of flexible

compliance mechanisms, including generation shifting,

in prior Clean Air Act regulation. 3 Professor Revesz has

also documented Congress’s concerns for climate change

in enacting the Clean Air Act in 1970.4

1. No party or counsel for a party authored this brief in whole

or in part. No party, counsel for a party, or person other than amicus

or counsel made any monetary contribution intended to fund the

preparation or submission of this brief. All parties have consented

to the filing of this brief.

2. Brian Leiter, 20 Most-Cited Administrative and/or

Environmental Law Faculty in the U.S., 2016–2020, The Law

Professor Blogs Network (Nov. 8, 2021), https://leiterlawschool.

typepad.com/leiter/2021/11/20-most-cited-administrative-andorenvironmental-law-faculty-in-the-us-2016-2020.html.

3. See, e.g., Richard L. Revesz et al., Familiar Territory: A

Survey of Legal Precedents for the Clean Power Plan, 46 Env’t

L. Rep. 10,190 (2016).

4. Richard L. Revesz, Bostock and the End of the Climate

Change Double Standard, 46 Colum. J. Env’t L. 1 (2020).

2

Additionally, Professor Revesz’s scholarship has

analyzed the major questions doctrine and explained

how the Trump administration’s attempts to expand

the doctrine would produce unworkable standards and

perverse incentives. 5 Petitioners 6 and their amici in

this litigation echo many of the Trump administration’s

arguments, asking this Court to consider factors such

as a rule’s public salience and the magnitude of its

costs in deciding whether the major questions doctrine

is applicable. This brief draws on Professor Revesz’s

scholarship to rebut those arguments.

SUMMARY OF ARGUMENT

The Clean Power Plan was repealed three years

ago—having never been implemented—and none of the

parties seek to revive it. Nonetheless, petitioners request

that this Court invoke the major questions doctrine to

declare the already-defunct rule unlawful. They contend

that if the Clean Power Plan had been implemented

according to its original schedule, it would have crippled

the coal industry and vastly expanded EPA’s authority. As

respondents explain, these claims are nonjusticiable, as

they require the Court to adjudicate the lawfulness of a

rule that no longer exists, will never be enforced, and has

been bypassed by market trends. Fed. Resp’t Br. 15–23;

NGO & Trade Ass’n Br. 23–32. In addition, petitioners’

claims rely on misrepresentation of the Clean Power Plan’s

5. Natasha Brunstein & Richard L. Revesz, Mangling the

Major Questions Doctrine, 74 Admin. L. Rev. (forthcoming 2022),

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3927233.

6. This brief uses the term “petitioners” to include

respondents in support of petitioners.

3

record and precedents, as well as illogical and unworkable

new standards for identifying a major question.

As evidence of a major question, petitioners focus

on three factors that supposedly make the Clean Power

Plan unique: the rule’s economic impacts, the degree

of legislative attention its subject matter has received,

and its public salience. None of these factors offers a

persuasive basis to invoke the doctrine. For instance, while

petitioners allege that the Clean Power Plan would have

decimated the coal industry, the Trump administration

concluded in the Affordable Clean Energy Rule (“ACE”),

which petitioners defend, that the Plan would have made

“no difference” in the energy sector and that repealing it

would thus have no economic impact, positive or negative.

J.A. 1672–73. Moreover, even if this Court somehow

considered EPA’s outdated (and, in retrospect, inflated)

cost projections from 2015, those estimates are in line

with the projected impacts of other regulations from

administrations of both parties.

Petitioners’ focus on legislative attention and public

salience is similarly misguided. While petitioners highlight

failed legislative attempts to limit greenhouse gas pollution

economy-wide, this Court has rejected “speculation about

why a later Congress declined to adopt new legislation” as

a tool of statutory interpretation, explaining that inaction

could indicate recognition of authority previously granted.

Bostock v. Clayton County, Georgia, 140 S. Ct. 1731, 1747

(2020). Petitioners’ emphasis on “the controversial subject

of climate change,” W. Va. Br. 26 (internal quotation

marks omitted), also fails to provide a workable trigger

for the major questions doctrine, as many issues are

controversial in today’s political climate yet remain the

4

subject of frequent rulemaking that this Court has often

upheld. Petitioners’ argument would produce an absurd

result under which public controversy surrounding an

issue could deprive an agency of an authority it held when

the issue was less controversial.

As further evidence of a major question, petitioners

erroneously claim that EPA has always “require[d]

performance standards that are achievable by individual

sources,” and that the Clean Power Plan’s reliance on

generation shifting represented a transformative use

of the agency’s authority under Section 111(d). Nat’l

Mining Ass’n Br. 39–41. Yet in the George W. Bush

administration’s Clean Air Mercury Rule, a cap-and-trade

program for coal-fired power plants, EPA set emission

limits based in part on shifting generation away from

high-polluting facilities. That rule, which many of the

petitioners in this case supported, also had considerable

precedent.

Petitioners and amici further suggest that any

significant rulemaking under Section 111(d) raises a major

question, because the provision is “an all-but-forgotten

backwater” of the Clean Air Act, Westmoreland Br. 1, that

“was never used” prior to the Clean Power Plan, Mich.

Leg. Br. 2. But these claims also fall flat, as both legislative

history and regulatory precedent establish Section 111(d)

as a key provision for controlling air pollution from

stationary sources.

In sum, petitioners exaggerate the impacts of the

Clean Power Plan and misrepresent the Clean Air Act’s

structure and regulatory history. In doing so, they seek

to extend the major questions doctrine in unwarranted

and unworkable ways.

5

ARGUMENT

I.

The Factors that Petitioners Deem Indicative of

a Major Question Are Unworkable and Fail to

Distinguish the Clean Power Plan from Many

Other Regulations

Petitioners and their amici present various criteria that

purportedly justify applying the major questions doctrine

here. These include regulatory costs; congressional

attention; and public salience as represented by such

factors as the volume of public comments, related

litigation, and presidential statements. But such factors

hardly distinguish this case, and would stretch a doctrine

meant to apply only “[i]n extraordinary cases” beyond

both recognition and workability. Food & Drug Admin.

v. Brown & Williamson Tobacco Corp., 529 U.S. 120,

159 (2000). In many circumstances, these factors would

also create perverse incentives for both regulators and

regulated entities. Because they fail to offer “limited

and precise standards that are clear, manageable, and

politically neutral,” Rucho v. Common Cause, 139 S. Ct.

2484, 2500 (2019), petitioners’ justifications for applying

the major questions doctrine are unpersuasive.

A.

The Clean Power Plan’s Costs , W hich

Petitioners Wildly Overstate, Are Not a

Workable Criterion for Application of the

Major Questions Doctrine

As a basis for invoking the major questions doctrine,

petitioners emphasize the projected regulatory costs of

the never-implemented Clean Power Plan. According

to petitioners, implementing the rule “would have cost

6

hundreds of billions of dollars,” W. Va. Br. 20, including

“a near-collapse in coal production, displacement of

thousands of jobs across multiple industries, and hundreds

of billions in forgone economic growth,” Westmoreland

Br. 30. But these cost-related claims fail for at least four

reasons: (1) the relevant cost estimate for purposes of

this case is zero—the economic impact that the Trump

administration attributed to the Clean Power Plan when

it repealed the rule; (2) the outdated industry estimates

petitioners cite were hugely inflated even when made; (3)

EPA’s own, far more credible, cost estimates from the

time of the Clean Power Plan’s issuance were in line with

those of other judicially upheld rules; and (4) reliance on

regulatory costs as a major questions trigger would create

perverse incentives for agencies and promote arbitrary

decisionmaking.

1.

The Relevant Cost Figure for This Case Is

the Estimate Prepared by EPA at the Time

of the Affordable Clean Energy Rule’s

Issuance, Which Found No Economic

Impact from the Clean Power Plan

Even if reg ulatory costs could reasonably be

considered when determining whether to apply the major

questions doctrine, the relevant cost figure here would be

one that reflects information available at the time EPA

replaced the Clean Power Plan with ACE, which is the

action now under review. And when it finalized the latter

rule, EPA found that the Clean Power Plan would have

had no costs at all, due to market shifts that had put the

nation on a path to meet the rule’s goals even without

any regulation. J.A. 1672–73 (“[T]here is likely to be

no difference between a world where the [Clean Power

7

Plan] is implemented and one where it is not.”). Though

petitioners did not challenge that EPA finding, they

conveniently ignore it now, along with this Court’s clear

command that the legality of a deregulatory action—here,

ACE—be evaluated based on its own contemporaneous

record. Dep’t of Homeland Sec. v. Regents of the Univ. of

Cal., 140 S. Ct. 1891, 1907 (2020). Instead, petitioners ask

the Court to attribute costs that are not supported in the

record to a rule that is not in place.

2.

T he Indust r y Cost Estimat es that

Petitioners Cite Are Neither Credible nor

Relevant, and EPA’s Own Cost Estimates

from the Time of the Clean Power Plan’s

Issuance Are in Line with Those of Other

Upheld Rules

In lieu of EPA’s 2019 estimate, petitioners rely on

select industry-funded estimates from around the time

of the Clean Power Plan’s issuance in 2015, which were

unreasonably high even when made and, as a result,

rejected by the agency.7 If cost projections based on preACE conditions were relevant here—and, again, they

are not—the appropriate projections to consider would

be those prepared by EPA itself in 2015, using a peerreviewed model of the electricity sector that the agency

has relied on for decades. Grab & Lienke, supra note

7. See EPA, Clean Power Plan Response to Comments,

EPA-HQ-OAR-2013-0602-37106, Ch. 8 Economic & Employment

Impacts Part 1: Sections 8.0 Through 8.6, 99–103 (2015); see also

Denise A. Grab & Jack Lienke, The Falling Cost of Clean Power

Plan Compliance 14–17 (2017), https://policyintegrity.org/files/

publications/Falling_Cost_of_CPP_Compliance.pdf (detailing

flaws in analysis that petitioners rely upon).

8

7, at 3–5. Those estimates—which, unlike the industry

estimates, used transparent assumptions and were subject

to public comment—found that the Clean Power Plan’s

compliance costs in 2030 would range from $5.1 to $8.4

billion, J.A. 1534, and EPA acknowledged those highend estimates did not account for “low cost abatement

opportunities” including interstate cooperation, EPA,

Regulatory Impact Analysis for the Clean Power Plan

Final Rule 3-10 to -11 (2015).

Contrary to petitioners’ claims, those costs would not

have “tower[ed] over” those of other significant regulatory

actions, W. Va. Br. 20. In recent years, numerous agencies

under administrations of both political parties have issued

multi-billion-dollar regulations without raising major

questions concerns from courts. In 2020, for example,

the Department of Defense issued a rule to “enhance

the protection of unclassified information,” which it

estimated to cost $6.5 billion annually and over $92

billion overall. 85 Fed. Reg. 61,505, 61,505, 61,507 (Sept.

29, 2020). Also in 2020, the Internal Revenue Service,

Treasury Department, and Department of Health and

Human Services promulgated a joint regulation requiring

disclosure of health insurance information that, by the

agencies’ estimates, could cost over $10 billion in a single

year. 85 Fed. Reg. 72,158, 72,280 tbl.8 (Nov. 12, 2020). And

in 2008, the Department of Homeland Security issued

regulations to restrict the import of terrorist weapons,

which it projected to cost up to $56 billion over ten years

(i.e., $5.6 billion annually). 73 Fed. Reg. 71,730, 71,768

(Nov. 25, 2008).

The estimated costs of the Clean Power Plan were

also unexceptional for EPA pollution-control rules. The

9

agency’s 1979 new source performance standards for coalburning power plants, which the U.S. Court of Appeals

for the D.C. Circuit upheld, were projected to cost utilities

“tens of billions of dollars” by 1995, resulting in higher

energy costs and consumer prices. Sierra Club v. Costle,

657 F.2d 298, 314 (D.C. Cir. 1981). And the 2012 fuelefficiency and greenhouse gas emission standards for

motor vehicles, which were not challenged in court, were

projected to cost industry $150 billion, at an annualized

rate of at least $6.5 billion. 77 Fed. Reg. 62,624, 62,663

tbl.I-19 (Oct. 15, 2012).

Petitioners’ other attempts to differentiate the

Clean Power Plan’s economic impacts similarly fail. For

instance, while petitioners claim that the rule could have

“impacted almost everyone in the Nation,” Nat’l Mining

Ass’n Br. 35, this is common for regulations affecting

consumer staples like electricity, motor vehicles, or

home appliances, as well as those involving airline safety,

central banking, and other ubiquitous aspects of modern

American life. The petitioners also highlight the Clean

Power Plan’s supposedly “major impacts on employment,”

id. at 34, but even under EPA’s outdated 2015 estimates,

the rule’s employment impacts would have been in the five

digits, J.A. 1507–08—a drop in the bucket of the millions

of individuals who gain and lose or leave jobs every

month. See Job Openings, Hires, and Total Separations

by Industry, Seasonally Adjusted, Bureau of Labor

Statistics, https://www.bls.gov/news.release/jolts.a.htm

(last updated Jan. 4, 2022).

Finally, while petitioners emphasize EPA’s sincedisclaimed projection that the Clean Power Plan would

have resulted in the “closure of sources,” Westmoreland Br.

10

19, source retirements have been a common consequence

of environmental regulation for decades. See, e.g., Ass’n

of Pac. Fisheries v. EPA., 615 F.2d 794, 808 (9th Cir.

1980) (recognizing that EPA regulation “result[s] in

plant closures” and highlighting other judicially upheld

examples); Nat’l Ass’n of Metal Finishers v. EPA, 719

F.2d 624, 663 (3d Cir. 1983), rev’d on other grounds sub

nom. Chem. Mfrs. Ass’n v. Nat. Res. Def. Council, Inc.,

470 U.S. 116 (1985) (upholding EPA standard “resulting in

the closing of 737 electroplating operations and the loss of

12,584 jobs”). Closures are, furthermore, consistent with

the “technology-forcing character” of the Clean Air Act,

which this Court has long recognized. Train v. Nat. Res.

Def. Council, Inc., 421 U.S. 60, 91 (1975).

3.

Focusing on Regulatory Costs Would

Create Arbitrary Results and Perverse

Incentives

Even if petitioners’ claims regarding the Clean Power

Plan’s costs were accurate, using regulatory costs as a

criterion for application of the major questions doctrine

would lead to at least three undesirable and potentially

absurd results.

First, decontextualizing a rule’s costs would jeopardize

expensive but non-transformative rules in larger

industries while likely preserving relatively inexpensive

but transformative rules in smaller industries. In this

case, for instance, the Clean Power Plan’s outdated cost

projections (as made by EPA in 2015) constitute just 1–2%

of the electricity industry’s approximately $400 billion in

annual revenues. See Revenue from Sales of Electricity to

Ultimate Customers, U.S. Energy Info. Admin., https://

11

www.eia.gov/electricity/annual/html/epa_02_03.html (last

visited Jan. 5, 2022). Such a relatively minor impact is

highly unlikely to cause the massive dislocation that the

Court decried, but upheld on its own reading, in King v.

Burwell, where eliminating the tax credit at issue would

have decreased healthcare enrollment by 70% and caused

unsubsidized premiums to increase by 47%. 576 U.S. 473,

494 (2015). Focusing on decontextualized regulatory costs

would disregard such nuance and complicate regulation

of larger industries.

Second, focusing on regulatory costs would incentivize

agencies to issue less beneficial regulations—breaking

with decades of practice and violating common sense.

Since the Reagan administration, agencies have been

encouraged to pursue, when permissible, the regulatory

approach that “maximizes the net benefits”—that is, the

regulation’s benefits minus its costs. Exec. Order No.

12,291 § 2(c), 46 Fed. Reg. 13,193, 13,193 (Feb. 17, 1981);

accord Exec. Order 12,866 § 1(a), 58 Fed. Reg. 51,735,

51,735 (Oct. 4, 1993). The Clean Power Plan, for instance,

was projected to result in $32–54 billion in annual benefits

by 2030, easily surpassing its cost. J.A. 1509. But under

petitioners’ single-minded focus on industry compliance

costs, agencies would select less-costly regulatory

approaches even when those approaches sacrificed

substantial net benefits.

Third, focusing on regulatory costs would create a

perverse incentive for agencies to split up larger rules into

component parts. While this approach would minimize the

costs of any single rule, it could well lead to higher costs

in the aggregate. Congressional silence should not be

interpreted to delegate authority to an agency to advance

a regulatory program only if the agency does so in pieces.

12

In summary, the Trump administration’s conclusion

in the challenged rule that the Clean Power Plan would

have made “no difference” renders any focus on regulatory

cost inapposite. J.A. 1672–73. And even if that were not

the case, petitioners’ suggestion that costly rules trigger

the major questions doctrine is problematic.

B. Petitioners’ Focus on Legislative Failures

Under the Major Questions Doctrine Disregards

This Court’s Clear Precedent and Does Not

Meaningfully Differentiate the Clean Power

Plan

Petitioners also suggest that the Clean Power Plan

triggers the major questions doctrine because “[c]limate

change has been on Congress’s agenda for decades.”

Westmoreland Br. 31. Citing legislative failures to

enact economy-wide greenhouse-gas programs, they

characterize the rule as an impermissible effort by the

executive to act where “Congress had failed.” Nat. Mining

Ass’n Br. 36. This argument is similarly unpersuasive.

This Court most recently dismissed the relevance

of post-enactment legislative developments as a tool of

statutory interpretation in Bostock v. Clayton County,

Georgia. 140 S. Ct. 1731 (2020). There, this Court held

that failed congressional efforts to expressly protect

sexual orientation offered “no authoritative evidence” as

to whether that protection already existed. Id. at 1747. The

Court recognized attempts to discern statutory meaning

from subsequent proposed legislation as a “particularly

dangerous basis on which to rest an interpretation

of an existing law,” as such attempts could indicate

that legislators “didn’t think a revision [was] needed”

13

because they “understood the impact [of the law’s] broad

language.” Id. (internal quotation marks omitted). See also

Sullivan v. Finkelstein, 496 U.S. 617, 632 (1990) (Scalia, J.,

concurring) (“Arguments based on subsequent legislative

history . . .should not be taken seriously.”).

And the argument for ignoring subsequent inaction

is even stronger in this case than it was in Bostock.

See Revesz, supra, at 61. Unlike in Bostock, in which

the failed legislation would have expressly codified the

interpretation being challenged, here petitioners rely

on legislation that substantially differs from the Clean

Power Plan. Petitioners point to the Waxman-Markey bill,

H.R. 2454, 111th Cong. § 703 (2009), and other unenacted

climate bills concerning economy-wide carbon emissions

trading, renewable energy tax credits, and other matters

that are far broader than and distinct from EPA’s authority

to reduce greenhouse gas emissions from existing coalfired power plants. See W. Va. Br. 24–25; Westmoreland

Br. 31–32; Nat’l Mining Ass’n Br. 35–36.

In fact, when Congress considered legislation related

to the authority exerted in the Clean Power Plan, those bills

aimed to curtail that authority and failed. For instance,

Congress considered but failed to enact legislation that

would have prohibited EPA from regulating greenhouse

gas emissions, H.R. 910, 112th Cong. (2011), S. Amdt. 183

to S. 493, 112th Cong. (2011); regulating greenhouse gas

emissions from power plants unless they meet specified

requirements, H.R. 3826, 113th Cong. (2014); and finalizing

the Clean Power Plan as proposed, H.R. 5300, 113th Cong.

§ 2(b)(2) (2014). Congress also failed to enact legislation

that would have nullified the Clean Power Plan, as it could

not overcome a presidential veto. S.J. Res. 24, 114th Cong.

14

(2015). Thus, if subsequent legislative failures are at all

relevant, they undermine petitioners’ arguments.

Because Congress considers varied legislation on

many important issues, petitioners’ focus on congressional

attention to a broad topic (here, climate and energy)

is unworkable, see, e.g., W. Va. Br. 24; Nat’l Mining

Ass’n Br. 35. Over the past twenty years, Congress has

enacted roughly 5% of the over 125,000 bills introduced.

Bills by Final Status, GovTrack, https://www.govtrack.

us/congress/bills/statistics (last visited Jan. 4, 2022).

Enabling all of these bills to serve as a basis to invoke

the major questions doctrine would extend the doctrine

into nearly every area of public policy and create perverse

incentives. First, it would make legislators who support

a regulatory program reluctant to introduce related

legislation for fear of jeopardizing the program’s legality.

Second, it would make legislators who oppose a regulatory

program inclined to introduce legislation, regardless of its

chances at passage, so as to increase the likelihood that

the program would be struck down in court.

Petitioners’ effort to analogize to the legislative

backdrop in Brown & Williamson also fails. See

Westmoreland Br. 31. In that case, the defendant agency

made “consistent and repeated statements that it lacked

authority . . . to regulate tobacco,” and, in light of these

representations, Congress passed “tobacco-specific

statutes [that] effectively ratified the FDA’s long-held

position.” 529 U.S. at 144. Here, in contrast, EPA had not

disclaimed its authority to use the regulatory mechanisms

deployed in the Clean Power Plan prior to ACE, 8 nor

8. As detailed later in this brief, EPA had in fact previously

relied on generation-shifting approaches. Infra Sec. II.

15

did Congress enact legislation to ratify any such a

claim. Petitioners instead point to a series of tangential

legislative failures, but such an over-inclusive invocation

of legislative history defies this Court’s precedent and

would create an unmanageable standard.

C.

Public Salience Is a Problematic Consideration

Under the Major Questions Doctrine, as

Evidenced by Petitioners’ Various Unworkable

Indicators

Some petitioners argue that the Clean Power

Plan must have been a major rule because of its public

salience, presenting evidence such as the number of public

comments, intensity of litigation, presidential statements,

and public discourse concerning the rule. But none of

these criteria present a workable indicator to identify a

major question.

1.

The Volume of Public Comments Cannot

Be Indicative of a Major Question

A lthough petitioners highlight the number of

comments received on the Clean Power Plan, W. Va. Br.

25, this Court has never relied on that factor before. It

even noted in Brown & Williamson that the FDA rule at

issue had broken the agency’s comment record, 529 U.S.

at 126–27, yet did not rely on this fact in its analysis.

Such disregard is well-founded. For one, large numbers

of comments are not atypical in complex rulemakings—a

finding confirmed by the Senate Committee on Homeland

Security and Government Affairs, under then-Chairman

Rob Portman (R-Ohio). Staff of Permanent Subcomm. on

16

Investigations, 116th Cong., Abuses of the Federal Noticeand-Comment Rulemaking Process 5 (Comm. Print.

2019) (“Senate Report”). In 2017, for example, the Federal

Communications Commission received nearly 24 million

comments on the proposed repeal of its net neutrality rule.

Id. Without acknowledging the discrepancy, the Trump

administration argued that the Clean Power Plan’s 4.3

million comments were evidence of “political significance”

yet defended its net-neutrality repeal despite its far higher

number of comments. See Brunstein & Revesz, supra, at

20.

Moreover, the number of regulatory comments

cannot be a good measure of agency authority due to

the prevalence of mass comments, fraudulent or malattributed comments, and computer-generated comments.

Senate Report, supra, at 5–6. The Senate Report found

that of the almost 24 million comments submitted on the

net-neutrality rule, “nearly eight million comments came

from email addresses associated with fakemailgenerator.

com and more than 500,000 came from Russian email

addresses.” Id. at 19. The Senate Report further

documented the high volume of comments submitted

under the names of famous individuals including Donald

Trump, Barack Obama, LeBron James, and Elvis Presley.

Id. at 20. Furthermore, “[o]n nine different occasions,

more than 75,000 comments were dumped into the [net

neutrality] docket at the very same second,” indicating

that the comments were likely computer-generated. Steve

Balla et al., Mass, Computer-Generated, and Fraudulent

Comments 3 (June 1, 2021) (report to the Admin. Conf.

of the U.S.).

Focusing on the number of public comments received

would also create perverse incentives for opponents of

17

a regulation to execute mass-comment campaigns in

hopes of influencing a judicial outcome. Under petitioners’

proposed trigger, organizations would be rewarded for

generating as many comments as possible—regardless

of their substance or even whether they came from real

people.

2.

The Scale of Litigation Is Similarly

Unworkable and Would Produce Perverse

Incentives

Some petitioners also cite the litigation associated

with the Clean Power Plan as evidence of a major question,

W. Va. Br. 25, with one party counting the number of

total words briefed, hours argued, and lines captioned,

Nat’l Mining Ass’n Br. 37–38. But this factor is equally

problematic and unprecedented.

For one, litigation over the Clean Power Plan is hardly

an outlier. Many important regulations are challenged

and defended by large groups of state attorneys general,

advocacy organizations, and industry groups. See, e.g.,

Brunstein & Revesz, supra, at 27–28. For example, the

Department of Homeland Security’s 2019 regulation

defining “public charge” was challenged in nine lawsuits

by 21 states and numerous groups representing the

regulated community. See Public Charge Litigation, Ctr.

for Pub. Representation, https://medicaid.publicrep.org/

feature/public-charge-litigation/ (last updated Mar. 9,

2021). Yet this Court allowed that rule to stand, with a

concurrence emphasizing its extensive litigation. Dep’t

of Homeland Sec. v. New York, 140 S. Ct. 599, 599 (2020)

(Gorsuch, J., concurring).

18

Similarly, in Utility Air Regulatory Group v. EPA,

even though thirteen states were petitioners, fifteen states

were respondents, and several environmental and industry

groups intervened, this Court did not consider these

facts in its legal analysis. See 573 U.S. 302, 304–06, 324

(2014) (“UARG”). This was also the case in EPA v. EME

Homer City, where 23 states and numerous environmental

organizations and industry groups were involved in the

dispute. 572 U.S. 489, 493–94 (2013). Extending the

major questions doctrine to include this criterion would

perversely incentivize widespread litigation.

3.

Presidential Statements Highlighting the

Importance of Regulations Are Common,

and Fail to Distinguish the Clean Power

Plan

Petitioners next suggest that the Clean Power Plan

presents a major question because President Obama

touted the rule’s importance. See, e.g., Westmoreland Br.

30–31. Yet again, the Court has never relied on this factor.

Furthermore, plenty of rules that presidents boast about

do not create regulatory transformations. Presidents

have political reasons for trumpeting particular executive

actions—such as to demonstrate the benefits achieved

through their leadership, ensure their legacy, and bolster

efforts for reelection—and when they do so, they typically

highlight the action’s importance. Using presidential

statements of this sort to determine an agency’s authority

would “inject [this Court] into . . . heated partisan issues”

and turn it into an arbiter on how everyday politics is

conducted. Rucho, 139 S. Ct. at 2499 (internal quotation

marks omitted).

19

Indeed, presidents on both sides of the aisle routinely

emphasize the importance of their administration’s

achievements. For instance, President Trump described

the Department of Homeland Security’s Migrant

Protection Protocols as “historic policy changes to shut

down asylum fraud . . .[,] end[] a humanitarian crisis

and save[] countless lives.” Remarks on Border Wall

Construction and Immigration Reform Near Alamo,

Texas, 2021 Daily Comp. Pres. Doc. 14 (Jan. 12, 2021).

Nonetheless, this Court recently reinstated that policy,

indicating that a subsequent rollback was likely arbitrary

and capricious. Biden v. Texas, 210 L. Ed. 2d 1014, 1014

(Aug. 24, 2021).

Whether the president declares a rule important

has little bearing on whether it has in fact prompted

a regulatory transformation. For instance, despite

President Obama’s claims about the Clean Power Plan,

as described above EPA modeling conducted in 2019—

for the ACE rule petitioners now defend—found that the

regulation would have made no impact.

4.

Public Opinion and Discourse Is Difficult

to Measure, and Also Fails to Distinguish

the Clean Power Plan

Some petitioners also claim that the Clean Power

Plan presented a major question because climate change

is “at the very center of this Nation’s public discourse.”

W. Va. Br. 25–26 (internal quotation marks and citation

omitted). But once again, the petitioners fail to present any

workable metric to identify a question subject to profound

debate, and basing a key doctrine on such an amorphous

factor is “more likely to confuse than to clarify,” Conroy v.

Aniskoff, 507 U.S. 511, 519 (1993) (Scalia, J., concurring).

20

Debate around the Clean Power Plan is not as

extensive as petitioners suggest. According to a 2017

survey from Yale University, “majorities of Americans

in all 50 states and 435 congressional districts support

setting strict carbon dioxide emission limits on coal-fired

power plants.” Poll: Majority in All States, Congressional

Districts Support Clean Power Plan, Yale School of the

Environment (Feb. 28, 2017), https://environment.yale.

edu/news/article/poll-majority-support-for-clean-powerplan-in-all-states-congressional-districts. Many issues

today—such as immigration, abortion, internet privacy,

tax policy, and LGBTQ rights—are subject to similar or

more extensive public debate, yet administrations of both

parties regulate in these areas. In fact, this Court recently

allowed one of the most salient immigration rules—the

“public charge rule”—to take effect. New York, 140 S.

Ct. 599.

Under petitioners’ standard, however, agencies would

not only be restricted from regulating on many topics,

but agency authority would wax and wane over time

with public attention. For instance, while environmental

regulation is now highly partisan, that was not always the

case, as evidenced by the overwhelming congressional

support for the Clean Air Act and its amendments.

Richard Schmalensee & Robert N. Stavins, Policy

Evolution Under the Clean Air Act 2–3, Resources for the

Future (Working Paper No. 18-27, 2018), https://media.rff.

org/documents/RFF20WP-18-2720dc.pdf. The implication

of petitioners’ argument is therefore that EPA now lacks

authority that it once had. But this conclusion cannot

be squared with statutory language and congressional

intent, and would place the courts in the uncomfortable

(and untenable) position of determining what quantum

21

of public attention is sufficient to divest an agency of a

previously held power.

Such a standard would also incentivize efforts to

deepen political polarization and run opposition campaigns.

As evidenced by this very case, challengers could use

their public-relations campaigns as purported evidence

of broad opposition. See Brunstein & Revesz, supra, at

28–29 (describing public-facing campaign against the

Clean Power Plan aimed at influencing litigation).

***

The factors that petitioners propose do not ascertain

whether an agency has achieved “a fundamental revision

of the statute,” MCI Telecommunications Corp. v. Am.

Tel. & Tel. Co., 512 U.S. 218, 231 (1994), but instead would

confuse the major questions analysis and place this Court

in the uncomfortable role of arbitrating political disputes.

In fact, the very factors that petitioners emphasize fail to

distinguish the Clean Power Plan from many other rules

promulgated under both parties, including ones that this

Court upheld.

II. EPA’s Past Reliance on Flexible Compliance

Mechanisms, Including Generation Shifting,

Under Administrations of Both Parties, Belies

Petitioners’ Claims That the Clean Power Plan’s

Novelty Triggers the Major Questions Doctrine

Petitioners and their amici claim that “EPA did not

use Section 111(d) before the [Clean Power Plan] to require

measures other than on-the-scene technologies,” W. Va.

Br. 22, including “decreased utilization of individual

22

sources or ‘shifting’ production away from individual

sources,” Westmoreland Br. 9. These assertions rewrite

regulatory history.

For one, since the Trump administration concluded in

ACE that market forces alone would have shifted energy

production and the Clean Power Plan would have made

“no difference” itself, J.A. 1672–73, petitioners’ claims

about the Clean Power Plan’s effects are inconsistent

with the record. Moreover, even if the agency’s sincedisclaimed 2015 projections remained relevant, under

both Section 111(d) and related Clean Air Act provisions,

EPA has often—under administrations of both political

parties—set the stringency of standards on the basis of

generation shifting and other controls that extend beyond

the fenceline of an individual facility. Thus, contrary to

petitioners’ claims, the Clean Power Plan did not assert

a “transformative expansion” of the Clean Air Act,

Westmoreland Br. 26 (quoting UARG, 573 U.S. at 324).

A.

EPA Has Previously Set the Stringency of

Section 111(d) Standards Based on the Use of

Generation Shifting and Emissions Trading

Under the George W. Bush administration, EPA

promulgated the Clean Air Mercury Rule (“2005 Mercury

Rule”) under Section 111(d). 70 Fed. Reg. 28,606 (May

18, 2005). That rule, which set statewide targets for

mercury emissions from coal-fired generating units, not

only allowed for intersource and interstate trading of

emission allowances, but identified such trading as part

of the “best system of emissions reduction” for the source

category. Id. at 28,617. By its very nature, an emissions

trading system reaches beyond the fencelines of individual

23

plants, allowing a group of regulated sources to apportion

a collective reduction burden among themselves based on

their relative costs of abatement.

Petitioners attempt to distinguish the 2005 Mercury

Rule from the Clean Power Plan by arguing that the

former’s stringency was “derived from inside-thefenceline control technology available at the time” and

did not necessitate use of allowance trading or generation

shifting. W. Va. Br. 22 (internal citation omitted). But the

2005 Mercury Rule reveals otherwise. In promulgating

that rule, EPA never suggested that every affected source

would or could, at reasonable cost, comply with that rule

solely through technological controls. Instead, it explained

that units for which it was “not cost effective to install

controls” would “use other approaches for compliance

including buying allowances, switching fuels, or making

dispatch changes [i.e., generation shifting].” 70 Fed. Reg.

at 28,619 (emphasis added). In other words, EPA based

the stringency of its “best system of emission reduction”

under Section 111(d) on the premise that higher-polluting

facilities would reduce generation. And numerous

petitioners in this case, who now allege that the use of

generation shifting is unlawful, in fact defended the 2005

Mercury Rule in litigation, including its trading program.

Joint Brief of State Respondent-Intervenors, Industry

Respondent-Intervenors, and State Amicus at 26, New

Jersey v. EPA, 517 F.3d 574 (D.C. Cir. 2008) (No. 05-1097).

Though the 2005 Mercury Rule was ultimately

vacated by the D.C. Circuit, the reversal was on grounds

wholly unrelated to generation shifting or the stringency

of the rule’s emission budgets. New Jersey, 517 F.3d

574. Moreover, alongside the 2005 Mercury Rule, EPA

24

amended the Section 111 implementing regulations to

provide that a state’s “[e]mission standards [may] be

based on an allowance system.” 70 Fed. Reg. at 28,649.

That language remains in place. 40 C.F.R. § 60.24(b)(1).

Accordingly, petitioners’ argument that the Clean Power

Plan represented a novel interpretation of Section 111(d)

falls flat.

B. EPA Has Previously Set the Stringency

of Standards Under Other Clean Air Act

Provisions Based on Generation Shifting and

Emissions Trading

EPA has also relied on generation shifting and other

beyond-the-fenceline compliance measures when setting

emission limits under other Clean Air Act provisions,

resulting in stricter standards than would be achievable

through technological improvements alone. Some of

those provisions, like Section 111(d), do not expressly

address such measures, contradicting petitioners’

claim that Congress always “says so directly” when it

“wants an industry or source to hit an emission target”

through “outside-the-fenceline measures.” W. Va. Br. 42.

Furthermore, several of the provisions under which EPA

has previously regulated in this fashion are related to

Section 111(d) or employ similar language.

Specifically, EPA has set standards based on

generation shifting and other beyond-the-source

approaches under the following Clean Air Act provisions:

Good Neighbor Provision, Section 110(a): Under

the Good Neighbor Provision, which limits interstate

pollution from stationary sources, 42 U.S.C. § 7410(a)

25

(2)(D)(i)(I), EPA has consistently relied on generation

shifting and other beyond-the-fenceline measures in

setting pollution standards. In five rulemakings, EPA

established statewide emission budgets for the power

sector and crafted trading mechanisms for states to meet

their budgets: the Clinton administration’s 1998 NOx SIP

Call, 63 Fed. Reg. 57,356, 57,358–59 (Oct. 27, 1998); the

George W. Bush administration’s Clean Air Interstate

Rule, 70 Fed. Reg. 25,162, 25,162, 25,229 (May 12, 2005);

the Obama administration’s 2011 Cross-State Air Pollution

Rule (“Transport Rule”), 76 Fed. Reg. 48,208, 48,210–11

(Aug. 8, 2011) and 2016 Cross-State Air Pollution Rule

Update, 81 Fed. Reg. 74,504, 74,508–09 (Oct. 26, 2016);9

and the Biden administration’s 2021 Update, 86 Fed. Reg.

23,054 (Apr. 30, 2021). These precedents are particularly

relevant because Section 111(d) directs EPA to follow “a

procedure similar to that provided by section 110” when

working with states to set standards for existing sources.

42 U.S.C. § 7411(d)(1).

In establishing emission budgets under its Section

110(a) rules, EPA has explicitly accounted for generation

shifting. For example, in the Transport Rule, which this

Court upheld as a “workable[] and equitable interpretation

of the Good Neighbor Provision,” EME Homer City, 572

U.S. at 524, the agency concluded that requiring “direct

control[s]” at individual sources “would result in fewer

emission reductions and higher costs compared to [a

trading-based approach],” 76 Fed. Reg. at 48,272–73.

EPA accordingly set budgets with which it expected

regulated plants to comply by “increas[ing] dispatch

9. The D.C. Circuit remanded the 2016 Update on unrelated

grounds. Wisconsin v. EPA, 938 F.3d 303, 336 (D.C. Cir. 2019).

26

from lower-sulfur-emitting units as well as from natural

gas-fired generators.” Id. at 48,279; accord id. at 48,280

(anticipating “generation shifting from higher emitting

units to lower emitting units” as a compliance strategy).

In other words, EPA premised its standard on the

expectation of generation shifting from coal to natural gas.

EPA has followed a similar approach in more recent

Section 110(a) regulations. In its latest update, which was

proposed under the Trump administration, the agency

continued to rely on a trading program in setting emission

standards, expecting sources to comply in part by

“[s]hifting generation to lower [nitrous oxide]-emitting or

zero-emitting [electricity generating units].” 85 Fed. Reg.

68,964, 68,992 (Oct. 30, 2020). EPA finalized that standard

in early 2021. 86 Fed. Reg. 23,054 (Apr. 30, 2021).

Mobile Source Provisions, Sections 202 and 211: For

forty years, EPA has consistently set emission standards

under Section 202, which governs new motor vehicles and

motor-vehicle engines, based on averaging, banking, and

trading. See, e.g., 48 Fed. Reg. 33,456 (July 21, 1983). This

approach “is an integral part of the standard setting itself

. . . allowing EPA to set a standard that is numerically

more stringent” than it would through technological

controls on individual automobiles or fleets. 77 Fed. Reg.

62,624, 62,788 (Oct. 15, 2012); accord 72 Fed. Reg. 8428,

8431 (Feb. 26, 2007) (explaining that use of averaging,

banking, and trading “allows us to set a numerically

more stringent . . . standard than would otherwise be

achievable”). Additionally, EPA has acknowledged that

mobile-source standards are effectively predicated on

the notion that manufacturers will comply, at least in

part, by shifting sector-wide production to lower-emitting

27

automobiles such as through “increased electrification of

the fleet.” 77 Fed. Reg. 62,624, 62,631 (Oct. 15, 2012).

Section 202 is particularly instructive for EPA’s

regulation under Section 111(d) because it also calls

for certain standards to “reflect the greatest degree of

emission reduction achievable through the application

of technology.” 42 U.S.C. § 7521(a)(3)(A)(i). The fact that

“[a]veraging, [b]anking, and [t]rading . . . of emissions

credits”—and, consequently, production shifting—“have

been an important part of many EPA mobile source

programs” for decades, over numerous presidential

administrations of both parties, 76 Fed. Reg. 57,106, 57,238

(Sept. 15, 2011), undercuts the argument that the word

“application,” which also appears in Section 111, requires

emission reductions “performable by the existing source

on its own,” N. Am. Coal Br. 15. The D.C. Circuit upheld

the fleet-wide approach as a permissible interpretation of

Section 202, finding that the provision is “[l]acking any

. . . prohibition of averaging.” Nat. Res. Def. Council v.

Thomas, 805 F.2d 410, 425 (D.C. Cir. 1986).

EPA has also designed standards for motor-vehicle

fuels under Section 211, 42 U.S.C. § 7545, to be met

sector-wide. For example, in 1982, during the Reagan

administration, EPA promulgated a standard for the

lead content of gasoline that some refineries could satisfy

only by obtaining lead credits from others. 47 Fed. Reg.

49,322, 49,324 (Oct. 29, 1982). The D.C. Circuit upheld that

approach. Small Refiner Lead Phase-Down Task Force v.

EPA, 705 F.2d 506, 535–36 (D.C. Cir. 1983).

New Source Performance Standards, Section

111(b): EPA has also based emission standards under

28

Section 111(b) on f lexible averaging, banking, and

trading mechanisms that shift production. Under new

source performance standards promulgated during the

George W. Bush administration for certain stationary

internal combustion engines, manufacturers can generate

“emission credits” tied to “production volumes,” 71

Fed. Reg. 39,154, 39,185 (July 11, 2006), meaning that

the standards can be achieved not just by decreasing

the emissions rate of any given engine type, but also

by adjusting the production balance between engines

that emit above and below the standards. EPA deemed

the averaging, banking, and trading mechanisms that

enable this production shifting “essential elements in

[its] determination that the final standards reflect best

[demonstrated technology]” because they “allow[] the

manufacturer to adjust its compliance for engine families

for which coming into compliance with the standards will

be particularly difficult or costly, without special delays

or exceptions having to be written into the final rule.” Id.

at 39,159. In other words, the availability of production

shifting as a compliance mechanism was essential to

EPA’s determination of the standards’ stringency. EPA

subsequently included similar averaging, banking, and

trading provisions in new source performance standards

for stationary spark ignition internal combustion engines.

73 Fed. Reg. 3568, 3595 (Jan. 18, 2008).

Thus, petitioners’ claims that EPA has never used

a “system-wide approach” for 111(b) standards are

unfounded. N. Am. Coal Br. 46. And because Sections

111(d) and 111(b) rely on the same definition of a “standard

of performance” achievable through the “best system

of emission reduction,” 42 U.S.C. § 7411(a)(1), EPA’s use

of such an approach under Section 111(b) for more than

29

fifteen years—over four presidential administrations—is

particularly telling.

***

As these precedents illustrate, the Clean Power Plan

applied established mechanisms that EPA has used for

decades under administrations of both parties. Moreover,

even where EPA has not expressly tied the stringency

of emission standards to generation shifting, shifts in

the generation mix are an inevitable consequence of any

regulations requiring significant emission reductions

from the power sector. See Power Companies Br. 37–38.

These longstanding practices contradict the claim that

EPA exerted an “unheralded power” in promulgating the

Clean Power Plan. Westmoreland Br. 2 (quoting UARG,

573 U.S. at 324).

III. Section 111(d) Is Not an Afterthought, as Petitioners

Claim in Their Major Questions Analysis, But a Key

Component of the Clean Air Act’s Comprehensive

Approach to Regulating Pollution

In arguing that the major questions doctrine should

apply, petitioners and their amici dismiss Section 111(d)

as a “marginal” and “ancillary” provision “[t]ucked away

in a dusty corner” of the statute. N. Am. Coal Br. 1. But

both the legislative and regulatory history of Section

111(d) rebut petitioners’ characterization of the provision

as an “all-but-forgotten backwater,” Westmoreland Br. 1.

In particular, petitioners and their amici point to

congressional statements that Section 111(d) should

serve as a “gap-filler” as an indicator of the provision’s

30

insignificance. E.g., Cato Inst. Br. 2–3. Congress did not

presume, however, that the gaps filled by Section 111(d)

would be unimportant. On the contrary, it designed the

provision to address “significant danger[s] to public health

and welfare” that were not covered by other statutory

programs. See S. Rep. No. 91-1196, at 20 (1970).10 The

lead drafters of the 1970 legislation affirmed the essential

nature of Section 111(d), emphasizing that its inclusion in

the statute reflected a desire to give EPA flexibility to

limit pollutants that do not neatly fit into other regulated

categories through a mechanism similar to that provided

by Section 110. Brief of Leon G. Billings and Thomas

C. Jorling as Amici Curiae in Support of Respondents

at 22–23, West Virginia v. EPA, No. 15-1363 (D.C. Cir.

dismissed Sept. 17, 2019).

EPA’s prior interpretations and use of Section

111(d) further demonstrate its important role. See NonGov’t Org. & Trade Assoc. Br. 9. In 1975, reasonably

contemporaneous with the passage of the statute, EPA

issued a regulation on appropriate procedures and

requirements for stationary sources regulated under

Section 111(d). 40 Fed. Reg. 53,340 (Nov. 17, 1975). The

agency explained that the Clean Air Act addressed “three

general categories of pollutants emitted from stationary

sources”: criteria, which are regulated under Sections

108–110; hazardous, which are regulated under Section

112; and “pollutants that are (or may be) harmful to public

health or welfare but are not or cannot be controlled

10. Before reconciliation with the House, the requirements

under Section 111(d) were in Section 114. The core substantive

requirements of Section 114 did not change after it was moved to

Section 111(d).

31

under sections 108–110 or 112.” Id. This third category

of pollutants was to be regulated through Section 111(d),

which required “control of existing sources of such

pollutants whenever standards of performance (for those

pollutants) are established under Section 111(b) for new

sources of the same type.” Id. EPA further described

Section 111(d) as part of a series of “drastic measures” that

would allow for “aggressive action” against air pollution.

Id. at 53,342–43.

Consistent with this vision, the Obama, George W.

Bush, Clinton, and Carter administrations relied on

Section 111(d) to control harmful air pollutants. See, e.g.,

61 Fed. Reg. 9905 (Mar. 12, 1996); 45 Fed. Reg. 26,294

(Apr. 17, 1980); 44 Fed. Reg. 29,828 (May 22, 1979); 42 Fed.

Reg. 55,796 (Oct. 18, 1977). Of particular note, EPA used

Section 111(d) to target methane, a potent greenhouse gas,

61 Fed. Reg. at 9912–14—belying petitioners’ claims that

Section 111(d) has been used only for “localized pollutants”

rather than “ubiquitous pollutants like carbon,” W. Va.

Br. 6.

And while petitioners’ amici claim that “global

warming was not even a concern discussed by Congress”

in 1970, CEI Br. 3, Congress in fact received extensive

testimony when crafting the Clean Air Act about emerging

research on the potential for air pollution to “threaten

irreversible atmospheric and climatic changes.” See 116

Cong. Rec. 32,901 (1970). Indeed, “awareness of and

concern about climate change appear extensively in the

legislative history accompanying the [Clean Air Act’s]

enactment, including in statements by congressional

leaders and other members [and] testimony by highranking administration officials and prominent scientific

32

experts.” Revesz, supra, at 34. Congress responded by

granting EPA authority to protect against harms to the

“climate.” See 42 U.S.C. § 7602(h). Thus, it is simply not

the case that lawmakers “could hardly have intended”

for EPA to regulate greenhouse gases under Section 111,

CEI Br. 3.

In fact, Congress recently and forcefully reiterated

its intent for Section 111(d) to cover greenhouse gases,

when lawmakers passed—and the President signed into

law—a Congressional Review Act resolution restoring

EPA’s 2015 regulation of methane emissions from the

oil and gas sector. See Pub. L. No. 117-23, 135 Stat. 295

(2021). Lawmakers expressed their concern that a repeal

of the Section 111(b) rule for new sources would have

the “enormously consequential” impact of “effectively

block[ing]” EPA from addressing more extensive methane

pollution from existing sources under Section 111(d).

H.R. Rep. No. 117-64, at 7–8 (2021). Congress has thus

recognized that Section 111(d) can serve as the basis for

“enormously consequential” regulation of greenhouse

gases.

In short, petitioners are incorrect in their major

questions analysis to describe Section 111(d) as an

unimportant section of the Clean Air Act. Congress

intended Section 111(d) to play an essential role in its

comprehensive framework of air-pollution control, and

EPA has, for decades, used the provision accordingly.

33

CONCLUSION

For the foregoing reasons, and those discussed in

respondents’ briefs, this Court should either dismiss

the petitions or affirm the judgment of the U.S. Court of

Appeals for the D.C. Circuit.

Respectfully submitted,

Richard L. Revesz

Counsel of Record

New York University

School of Law

40 Washington Square South

New York, New York 10012

(212) 998-6185

richard.revesz@nyu.edu

Jack Lienke

Rachel Rothschild

Max Sarinsky

Institute for Policy

Integrity

139 MacDougal Street,

3rd Floor

New York, New York 10012

(212) 992-8932

Counsel for Amicus Curiae

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.

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