# Amicus Curiae Brief — Department of Transportation v. Public Citizen

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URL: https://www.frixlaw.com/law-library/documents/brief%3Amicro_IA40385014_0706%3A15

## Record

- **Collection:** Supreme Court brief
- **Document type:** Amicus Curiae Brief
- **Published:** January 1, 2004
- **Citation:** 541 U.S. 752

## Text

OFFICE OF THE CLERK

In The
Supreme Court of the Anited States

o

DEPARTMENT OF TRANSPORTATION, ET AL.,
‘Petitioners,

v.
PUBLIC CITIZEN, ET AL.

Sf

) On Writ Of Certiorari
To The United States Court Of Appeals
For The Ninth Circuit

ac Attorneys for Amici Curiae

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QUESTIONS PRESENTED

1. Whether, under the National Environmental Policy
Act, 42 U.S.C. §4332, agency action that Congress made a
prerequisite to allowing Mexico-domiciled trucks to operate
throughout the United States is subject to an Environ-
mental Impact Statement that will disclose and evaluate
the serious environmental effects caused by such trucking.

2. Whether, under the conformity provision of the
Clean Air Act, 42 U.S.C. §7506(c)(1), that agency action
requires an analysis into the extent to which permitting
Mexico-domicile trucks to operate throughout the United
States will make it difficult for states to comply with federal
air quality standards.

Amici disagree with Petitioner’s statement of the
question presented in this case FMCSA, a federal agency
within the Department of Transportation (“DOT”), adopted
rules governing both applications for admission of Mexico-
domiciled trucks to the United States and the safety of those
trucks. These rules independently determine the type and
quantity of additional trucks that may enter the United
States, and expand the limited border zones in which these
trucks can travel. Petitioners argue that this rulemaking
action has no independent impact because the President
issued an order regarding the same sources regulated by the
FMCSA regulations and because FMCSA has no discretion to
determine environmental impacts. Petitioners attempt to
misdirect the Court’s attention to a review of Presidential
authority. However, without the actions taken by FMCSA, no
trucks would be allowed. The rules are a prerequisite for
Mexico-domiciled trucks to travel outside the designated
border commercial zones. Thus, Amici submit that the
question of Presidential authority is not under review.

ii
TABLE OF CONTENTS
Page
QUESTIONS PRESENTED ....................scccccceesesseeeeeeees i
opp gt Fs ne 1
SUMMARY OF ARGUMENT ....................cceceeesseeeeeeeeee 2
ITA TEIIIITE seccescecsccececcnseseensnensssnenssenianaadaeeneeeneaee 4

I. FMCSA’S RULEMAKING SIGNIFICANTLY
IMPACTS THE SOUTH COASTAIR BASIN... 4

II. FMCSA’S RULEMAKING HAD SIGNIFICANCE
INDEPENDENT FROM THE PRESIDEN-
TIAL ORDER LIFTING THE MORATORIUM
ON MEXICAN TRUCKS ....00.0. 0. eeeeseeeeeeeeees 11

III. FMCSA’S ACTIONS ARE WITHIN THE CATE-
GORY OF FEDERAL ACTIONS CAUSING IM-
PACTS TO STATE AND LOCAL INTERESTS
THAT CONGRESS SOUGHT TO AVOID
THROUGH THE ADOPTION OF NEPA AND
CAA REQUIREMENTS ............... cc ceeceeeseseeeeeees 13

A. Congress intended that the FMCSA fully
assess the local impacts of its regulations
under NEPA and mitigate or find alterna-
tives with less severe impacts .................... 14

B. Congress required that the impacts of the
FMCSA’s regulations be fully analyzed
pursuant to the Clean Air Act..................... 19

FUE III ON oxcxsceverescovsonesssuuonniesonennenenninelinsnninnnnnnn 23

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TABLE OF AUTHORITIES
Page

CASES:

Public Citizen v. Department of Transp., 316 F.3d
EE 21

STATUTES & REGULATIONS

Cal. Health & Safety Code §40410...0..........0.ccccccccccceeeeeeees 6

Cal. Health & Safety Code §40925...0.0........0.cccccccccccceeeeeeees 8

Clean Air Act, 42 U.S.C. 7401 et seq.:
EC 1
42 U.S.C. $7401................ Eee 1,5, 19
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Department of Transportation and Related Agen-
cies Appropriations Act, 2002, Pub. L. No. 107-
87, $350, 115 Stat. 833, 864-68 (2001) ......0......... eee. 13

Interstate Commerce Commission Termination Act
of 1995, Pub. L. No. 104-88, Tit. I, §101, 109 Stat.
804 (49 U.S.C. 1309 et seg.) 49 U.S.C. §13902(c).......... 13

iv

TABLE OF AUTHORITIES — Continued

Page
National Environmental Policy Act of 1969
42 U.S.C. §4321 et seq.:
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40 C.F.R.:
Pt. 93
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STITT icercibcheerachieineiisiititineneiiiainiiiadiabineuhaialaniatteaisimeaaabdaicealeaeia 15
MISCELLANEOUS:
67 Fed. Reg. 12,702 (Mar. 19, 2002).....................ccceeeeeeeeeees 2
67 Fed. Reg. 12,758 (Mar. 19, 2002)........................00:0eeeeee0 2
67 Fed. Reg. 12,776 (Mar. 19, 2002).......................:ceeeeeeeeees 2
(Report No. SRO2-04-01) Critical Review of “Safety
Oversight For Mexico-Domiciled Commercial
Motor Carriers, Final Programmatid Environ-
mental Assessment,” prepared by John A. Volpe,
Transportation Systems Center, January 2002,
Es ete eae ihictcnsistacineebeinisinianenisinanaateapeinaiaeaaiiiadaneines 4

1

INTEREST OF AMICI CURIAE

The South Coast Air Quality Management District
(“SCAQMD”), City of Los Angeles, Honorable Mary Bono,
Congresswoman, 45th District, California, and Honorable
Elton Gallegly, Congressman, 24th District, California
(“Amici”) respectfully submit this brief in accordance with
Supreme Court Rule 37.3.' SCAQMD is the regional air
pollution control agency responsible for the South Coast
Air Basin (“Basin”), which encompasses the greater Los
Angeles region. The City of Los Angeles is a municipal
corporation located within the Basin. Congresswoman
Bono is the congressional representative of the 45th
District, which is located in Riverside County and encom-
passes areas within the Basin and in the neighboring
Coachella Valley. Congressman Gallegly is the congres-
sional representative of the 24th District. The 24th Cali-
fornia Congressional District includes portions of Santa
Barbara and Ventura Counties, bordering the Basin to the
North. Both Ventura County and Coachella Valley are
impacted by emissions from the Basin. The Federal Clean
Air Act (“CAA”), 42 U.S.C. §§7401 to 7671q, establishes a
regulatory scheme for air pollution control that makes
states primarily responsible for the control of air pollution
within their jurisdictions. 42 U.S.C. §7401. However,
Congress specifically reserved many mobile sources for
federal regulation. Diesel trucks, subject to the Federal

* The parties consented in writing to the filing of this brief.

Counsel for a party did not author this brief in whole or in part. No
person or entity, other than the Amici Curiae, its members, or its
counsel made a monetary contribution to the preparation and submis-
sion of this brief.

2

Motor Carrier Safety Administration’s (“FMCSA”) regula-
tions at issue in this case, are one such federal source.
Trucks contribute significantly to air pollution within the
nonattainment area under the SCAQMD’s jurisdiction.
The significant emissions caused by the additional truck
traffic allowed by FMCSA regulations are required to be
fully disclosed, analyzed and offset where possible in order
to achieve clean air for the citizens of Southern California
and to comply with federal law.

7

SUMMARY OF ARGUMENT

In March 2002, FMCSA issued three sets of Interim
Final Rules permitting entry of Mexico-domiciled trucks
into this country for operation throughout the United
States.” FMCSA was required to complete an environ-
mental review pursuant to the National Environmental
Policy Act (“NEPA”), as well as a conformity analysis
pursuant to the CAA prior to the adoption of these regula-
tions. However, instead of completing a thorough analysis,
FMCSA presented a cursory environmental assessment for
two of the regulations and engaged in no analysis for the
third. FMCSA certified a Finding of No Significant Impact
(“FONSI”) based on it’s conclusion that “the FMCSA is

* These rules are: (1) Application by Certain Mexico-Domiciled
Motor Carriers to Operate Beyond United States Municipalities and
Commercial Zones on the United States-Mexico Border, 67 Fed. Reg.
12,702 (Mar. 19, 2002); (2) Safety Monitoring System and Compliance
Initiative for Mexico-Domiciled Motor Carriers Operating in the United
States, 67 Fed. Reg. 12,758 (Mar. 19, 2002); and (3) Certification of
Safety Auditors, Safety Investigators, and Safety Inspectors, 67 Fed.
Reg. 12,776 (Mar. 19, 2002).

3

statutorily precluded from considering environmental
issues in deciding whether to grant applications to provide
CMC transportation in interstate or foreign commerce.”
U.S. Department of Transportation, Federal Motor Carrier
Safety Administration, Safety Oversight for Mexico-
Domiciled Commercial Motor Carriers, Final Program-
matic Environmental Assessment, January 2002, herein-
after referred to as “EA,” J.A. 36 at 52. Further, FMCSA
made no attempt to complete a conformity analysis, which
would have determined whether their actions would cause
or contribute to any new violation of any standard, in-
crease the frequency or severity of any existing violation,
or delay timely attainment of any standard or any re-
quired interim emissions reductions in a nonattainment
area. 42 U.S.C. §7506(c)(1)(B). Petitioners do not address
the adequacy of FMCSA’s actions in their brief. Instead,
Petitioners attempt to focus the Court’s attention on the
President’s actions in issuing an order regarding the same
sources regulated by the FMCSA, stating that Respon-
dents want FMCSA to analyze the impacts of the Presi-
dent’s actions. Petitioners’ Brief 19.

Presidential action does not relieve FMCSA of its
responsibilities. FMSCA must recognize that its regula-
tions have impacts that are independent of the President’s
actions and are required to complete the NEPA process
and perform a conformity analysis as Congress mandates.
The rules adopted by FMSCA will determine which trucks
and, thus how many trucks, will be allowed to enter the
United States. The emissions from these trucks will have a
significant impact on the Basin and its residents. The
Basin is designated an “extreme nonattainment area” for
ozone, pursuant to the Federal Clean Air Act. Any emis-
sions increase in excess of 55 pounds per day of NOx is

4

“significant” for the Basin, and it would only take eight
additional trucks to exceed the significance threshold.

An independent researcher hired for Respondents
estimates that there could be 50 tons of NOx per day
representing thousands of additional trucks traveling
through the Basin due to the adoption of the FMCSA
rules. See (Report No. SR02-04-01) Critical Review of
“Safety Oversight For Mexico-Domiciled Commercial
Motor Carriers, Final Programmatic Environmental
Assessment,” prepared by John A. Volpe, Transportation
Systems Center, January 2002, April 16, 2002, Sierra
Research, Inc., hereinafter “Sierra Research Report,” J.A.
307 at 347. The health and welfare of millions of Basin
residents will clearly be adversely affected by the adoption
of the rules by FMCSA. The agency, at a minimum, should
be required to fully analyze and disclose the impacts of its
actions, and select less polluting alternatives or mitiga-
tion, as required by NEPA and the CAA.

«

ARGUMENT

I. FMCSA’°S RULEMAKING’ SIGNIFICANTLY
IMPACTS THE SOUTH COAST AIR BASIN

In March 2002, FMCSA issued three sets of Interim
Final Rules permitting entry of Mexico-domiciled trucks
into this country for operation throughout the United
States. These rules allow Mexican-domiciled truck opera-
tors, who previously could not receive a certificate and
operate in the United States, to apply for a certificate of
authority to operate their trucks within the United States.
These rules also establish a safety monitoring program for
the Mexican trucks, whereby the certificates may be

5

revoked. J.A. 56-72. Trucks emit a variety of air pollutants
including oxides of nitrogen (“NOx”), particulate matter
(“PM10”), volatile organic compounds (“VOC”) and toxic
air contaminants. J.A. 314, 451. NOx and VOC react in
the presence of sunlight to form ozone. J.A. 317. Ozone
causes serious health effects, including inflammation of
lung tissues, temporary reduction in lung capacity, aggra-
vation of asthma, and diminishment of the immune
system making the body more susceptible to respiratory
illnesses. South Coast Air Quality Management District,
2003 Air Quality Management Plan’, hereinafter “AQMP”
at 2-8; Sierra Research Report, J.A. 317. Elevated ambient
fine particulate matter (PM10 and PM2.5) contributes to an
increase in mortality rates, respiratory infections, number
and severity of asthma attacks, and the number of hospital
admissions. In recent years, some studies have reported an
association between long-term exposure to air pollution
dominated by fine particles and increased mortality, reduc-
tion in life span, and an increased mortality from lung
cancer. Recent studies also show lung function growth in
children is reduced with long-term exposure to particulate
matter. AQMP at 2-14; Sierra Research Report, /d.

The Federal Clean Air Act establishes a regulatory
scheme for the prevention of air pollution in which the
states have the primary responsibility of assuring the air
quality for areas within their jurisdiction. CAA §101, 42
U.S.C. §7401. The states accomplish this by meeting
national ambient air quality standards (“NAAQS”) estab-
lished by the United States Environmental Protection

* The AQMP is an official publication issued by the SCAQMD. This
document is available at http//www.aqmd.gov/aqmp/AQMD03AQMP htm.

6

Agency (“EPA”). Within each state, or over the area of
several states, EPA has established air quality control
regions. CAA §107, 42 U.S.C. §7407. California has several
air pollution control regions, and the SCAQMD is the
regional air pollution control agency for the Basin includ-
ing the nondesert portions of Los Angeles, San Bernardino
and Riverside Counties and Orange County. Cal. Health &
Safety Code §40410.

The Clean Air Act requires the states with areas that
do not meet the NAAQS, or are “in nonattainment,” to
submit plans like the AQMP to bring the areas into at-
tainment by a certain date. The plans contain measures to
control specific sources, thereby reducing air pollution.
CAA §§109-110, 42 U.S.C. §§7409-10. NAAQS have been
established for, among other pollutants, ozone and particu-
lates.

The Basin, with a population of approximately 16
million people, is the single most heavily impacted area in
the country by the criteria pollutant ozone. In fact, the
Basin is designated as “extreme nonattainment” of
NAAQS for ozone. J.A. 238, 319-20. Congress established
categories of nonattainment for each pollutant based on
the severity of the pollution levels of an area. For ozone
the categories are: marginal, moderate, serious, severe and
extreme. CAA §181(a), 42 U.S.C. §751l(a). The Basin is
also in the classification of “serious” for nonattainment for
particulate matter (PM). J.A. 320-21. The Basin is re-
quired to demonstrate attainment of the federal PM10
standard by 2006 and the federal 1-hour ozone standard
by 2010. CAA §§181, 183, 42 U.S.C. §§7511, 7513. Addi-
tionally, in 1997 EPA established new NAAQS for PM2.5
and an 8-hour standard for ozone. Significant improve-
ments in air quality will be necessary to bring the Basin

ili

into attainment by these federal deadlines, particularly for
ozone. The AQMP for the Basin sets forth a comprehensive
federal, state and local program containing measures to
control specific sources. The few years remaining to meet
attainment deadlines afford little margin for error in
implementing a comprehensive control strategy. Proper
FMCSA disclosure and analysis and mitigation, where
feasible, are critical to the Basin’s ability to meet feder-
ally-mandated timelines.

The Basin’s severe air pollution problem results from
the emissions from the nation’s second largest urban area,
combined with meteorological conditions that are adverse
to the dispersion of those emissions. The average wind
speed for Los Angeles is the lowest of the nation’s ten
largest urban areas. Additionally, the maximum mixing
height (an index of how well pollutants can be dispersed
vertically in the atmosphere) in Southern California
averages the lowest in the U.S. during the summer.
Finally, the abundant sunshine drives the photochemical
reactions that form pollutants such as ozone. AQMP 2-1.

Since the end of World War II, the Basin has experi-
exced faster population growth than the rest of the nation.
Growth has slowed somewhat, however the region's
population is expected to increase significantly through
2020. AQMP at 1-4. Ozone levels have been reduced by
half over the last 30 years. AQMP at 1-6. Although per-
capita emissions have been brought down substantially in
the Basin through 50 years of implementing pollution
controls, increases in the population over that time have
made overall emission reductions more difficult. Increases
in the number of sources, particularly those growing
proportionally to population, reduce the potential air
quality benefits of new controls. The net result is that,

8

unless significant steps are taken to further control air
pollution, growth will overwhelm much of the improve-
ments expected from the existing control program. AQMP
at 1-4. Additional sources, beyond those predicted in the
AQMP, such as the uncontrolled trucks certified to enter
the United States by the FMCSA rules, interfere with this
region’s ability to reach attainment and thus clean air for
all the Basin’s residents.

In accordance with CAA §110 and the California Clean
Air Act, Cal. Health & Safety Code §40925, requiring
triennial plan updates, and in order to fulfill the
SCAQMD’s commitment to update transportation emis-
sion budgets based on the latest approved motor vehicle
emissions model and planning assumptions, the SCAQMD
revised its AQMP in 2003. AQMP at 1-13. The AQMP
contains updated emissions inventories, new modeling and
modeling assumptions, and state, local and federal control
measures. The AQMP was compiled with the efforts of the
EPA, the California Air Resources Board (“CARB”), the
SCAQMD, Southern California Association of Govern-
ments, environmental and citizens groups, industry and
various other state and local governmental agencies.
AQMP ES-1, ES-3. The AQMP establishes baseline emis-
sions and seeks to reduce 233 tons per day of NOx emis-
sions by the ozone attainment year, 2010. At the end of the
planning process, even with the input of the dozens of
entities involved in its development, there remains 181
tons per day of necessary NOx emissions for which specific
control measure could not be identified, so-called “black
box” emissions. While CARB and the SCAQMD adopted
commitments to reduce the emissions and define control
measures by the next AQMP revision, a tremendous
amount of work remains in actually achieving these

9

reductions. AQMP at 4-32. These efforts are jeopardized by
FMCSA’s actions and its failure to conduct any substan-
tive environmental assessment.

For some areas, such as the Basin, mobile sources
contribute heavily to air pollution. However, Congress
reserved authority to regulate mobile sources such as
automobiles, trucks, locomotives, aircraft and marine
vessels, for the federal government either exclusively or
jointly with the states. See §§209 and 233 of the CAA, 42
U.S.C. §§7543, 7573. According to the SCAQMD’s 2003
AQMP, mobile source emissions account for 89% of the
Basin-wide NOx emissions, with on-road sources (cars,
trucks and buses) accounting for 63%. By 2010, emissions
from sources under SCAQMD authority such as refineries,
factories, power plants and gas stations will account for
only 11% of the total NOx emissions, sources under CARB
authority, 56%, and those under exclusive EPA jurisdic-
tion, 33%. AQMP 3-14 to 3-17. To ultimately achieve
ambient air quality standards and demonstrate attain-
ment, additional long-term emissions reductions will be
necessary from all sources including those primarily under
the jurisdiction of CARB (e.g., on-road motor vehicles, off-
road equipment, and consumer products) and EPA (e.g.,
out of state vehicles, aircraft, ships, trains, and pre-
empted nonroad equipment)’. AQMP 1-1. Without an
adequate and fair-share level of reductions from all

* As explained in the Senate Report to the 1990 Amendments to
the CAA, “[bjecause States have limited resources and many additional
responsibilities, both the State and Federal Government should work
together to assure implementation of programs that improve air
quality.” 1990 U.S.C.C.A.N. at 3389.

10

sources, the emissions reduction burden would unfairly be
shifted to stationary sources that have otherwise done
their part for clean air. AQMP 4-2. .

The SCAQMD has also established significance
criteria pursuant to the California Environmental Quality
Act (CEQA) for emissions of criteria pollutants or their
precursors. NOx emissions are significant if they exceed
55 pounds per day, and PM10 emissions are significant at
150 pounds per day. The standards were derived from the
major source thresholds established by Title I of the CAA.
Any stationary source that contributes more than 10 tons
per day of NOx is a major source. CAA §182(e); 42 U.S.C.
§751la(e). Ten tons per year is equivalent to 55 pounds per
day. These standards would be used for NEPA purposes
also. Taking the emissions rate used by FMCSA for a truck
(J.A. 146, 399) and assuming it travels the length of the
Basin, a distance of approximately 215 miles; it would
take less than 8 additional trucks to exceed the NOx
significance threshold.

However, based on the studies conducted by Sierra Re-
search, the actual make-up of the Mexican fleet has an
emissions rate that is significantly higher than that used by
FMCSA. According to the Sierra Research report, Mexican
trucks can easily contribute 50 tons per day of NOx. J.A.
347. In comparison the entire stationary and area source
inventory (those sources within the jurisdiction of the
SCAQMD) for the Basin is only 89 tons of NOx per day.
AQMP at 3-12. This inventory is made up of thousands of
sources ranging from refineries and power plants to gas
stations, drycleaners and house paint. Pursuant to the CAA
all major stationary sources, and in accordance with
SCAQMD rules, all stationary sources are subject to
stringent control requirements including permitting, best

11

available control technology, offset and reasonably avail-
able control technology. CAA §§165, 182(b)(2), 182(e)(1); 42
U.S.C. §§7475, 751la(b)(2), (e)(1). Therefore, in order to
offset the increased emissions from these trucks, the
SCAQMD would be forced to shut down more than half of
the already stringently controlled stationary sources in the
Basin. Since this clearly is not possible, the emissions from
the Mexican trucks must be analyzed and reduced in some
other manner. While the FMCSA concludes that small
increases in the number of trucks traveling through the
United States is insignificant, for the Basin, a handful of
additional trucks significantly impacts air quality, possibly
delaying attainment of healthful standards for the area
and seriously impacting the health of our residents.
FMCSA must recognize and address the actual impacts in
a comprehensive analysis.

II. FMCSA’S RULEMAKING HAD SIGNIFICANCE
INDEPENDENT FROM THE PRESIDENTIAL
ORDER LIFTING THE MORATORIUM ON
MEXICAN TRUCKS

Amici submit that FMCSA’s decision to issue a FONSI
and not complete a conformity analysis was in error. While
Petitioners concede that the FMCSA rulemakings were
subject to review under NEPA, Petitioners Brief 10,
Petitioners argue that “any environmental consequences of
allowing cross-border operations by Mexican trucks are
not ‘effects’ of FMCSA’s truck-safety rulemakings.” Peti-
tioners Brief 24. Petitioners further state: “FMCSA recog-
nized that the proposed rules would have ‘no practical
impact’ until the occurrence of the ‘intervening event’ of
the President’s modification of the trade moratorium.” But
they also acknowledge that “the President’s anticipated

12

lifting of that moratorium would have no effect until
FMCA promulgated the required regulations.” Petitioners
Brief 10-11. Yet, even though they argue that the effect of
one action does not occur until the other action takes
place, Petitioners summarily conclude that the increase in
the number of trips by Mexican trucks “would be the
result of the modification of the moratorium by the Presi-
dent, not FMCSA’s implementation of the proposed safety
regulations.” Petitioners Brief 11.

However, the decision to admit any given foreign
carrier depends entirely on that carrier’s compliance with
FMCSA regulations. FMCSA is the permitting agency
responsible for regulating, inspecting, and then admitting
qualifying foreign trucks. In determining which carriers
are admitted, FMCSA’s regulations shape every aspect of
the foreign truck fleet that operates in this country,
including the number of trucks, the safety of those trucks,
and their emissions. “The FMCSA works to ensure safety
in CMC operations by developing and enforcing safety
regulations, targeting high-risk carriers and CMV drivers,
improving safety information systems and CMV technolo-
gies, strengthening CMV equipment and operating stan-
dards, and increasing safety awareness.” J.A. 51. As the
permitting agency, FMCSA is continuously responsible for
the characteristics of the fleet of Mexican carriers in this
country. It is this determination of the size and make-up of
the Mexico-domiciled fleet that is at issue, not the inde-
pendent actions of the President.

Petitioners argue that this is a case about the Presi-
dent’s foreign policy power. In fact, lifting the moratorium
was not an act of the President’s constitutional foreign
policy power; rather, it was an exercise of power that
Congress specifically allowed the President to exercise.

13

Under federal law, the President was allowed unilaterally
to lift the congressionally imposed moratorium, Interstate
Commerce Commission Termination Act of 1995, Pub. L.
No. 104-88, Tit. I, §101, 109 Stat. 804 (49 U.S.C. §1309 et
seq.) 49 U.S.C. §13902(c), but Congress still maintains the
ability to impose conditions on cross-border trucking. In
fact, Congress did. In 2001, Congress passed the Depart-
ment of Transportation and Related Agencies Appropria-
tions Act, 2002, which conditioned funding the processing
of permit applications from Mexican carriers on the
FMCSA’'s promulgation of new safety standards. Depart-
ment of Trans. and Related Agencies Appropriations Act,
2002, Pub. L. No. 107-87, §350, 115 Stat. 833, 864-68
(2001). This confirms the independent significance of the
FMCSA rule adoptions.

Because the President’s actions to implement foreign
policy and foreign trade decisions is not the issue, holding
that FMCSA must comply with federal environmental
requirements will not impair that power in any way. Once
the President exercises his authority to lift the barriers, the
trucks are governed by FMCSA regulation. Those regula-
tions have effects and those effects must be analyzed.

III. FMCSA’S ACTIONS ARE WITHIN THE CATE-
GORY OF FEDERAL ACTIONS CAUSING IM-
PACTS TO STATE AND LOCAL INTERESTS THAT
CONGRESS SOUGHT TO AVOID THROUGH THE
ADOPTION OF NEPA AND CAA REQUIREMENTS

The March 2002 Interim Final Rules adopted by
FMCSA permitting entry of Mexico-domiciled trucks into
this country for operation throughout the United States
were subject to the requirements of NEPA and the CAA.
FMCSA recognized that it must comply with NEPA and,
prior to the issuance of these regulations, began the

14

process of completing a preliminary environmental as-
sessment (“PEA”). J.A. 36. However, FMCSA failed to
completely analyze the environmental impacts caused by
its rule adoption. FMCSA narrowly focused the environ-
mental assessment. “This PEA will focus only on the
potential environmental impact and safety operation
implications of the proposed actions and alternatives
based on: (1) the change in the number of Mexico-
domiciled CMC receiving certificates of operating author-
ity pursuant to the revised application forms (i.e., OP-2
and OP-1(MX) Forms), and the associated change in the
number of Mexican CMV operating in the United States;
and (2) the change in the number, method, and frequency
of inspections conducted on Mexican CMV operating in the
United States.” J.A. 48. Because of this limited focus and a
number of unsupported assumptions, such as assuming no
change in the total number of inspections performed,
130,000 of 400,000 Mexican trucks manufactured after
1994, and including no calculations of trucks over U.S.
weight limit of 80,000 pounds, J.A. 203-205, FMCSA found
no significant impacts. Thus, FMCSA issued a Finding of
No Significant Impacts for two of the regulations, and
found it was entirely exempt on the third. FMCSA did not
ever address the need to make a conformity finding for the
Basin pursuant to the CAA. These actions do not comply
with either NEPA or the CAA.

A. Congress intended that the FMCSA fully
assess the local impacts of its regulations
under NEPA and mitigate or find alterna-
tives with less severe impacts

-NEPA requires that “to the fullest extent possible ...
all agencies of the Federal Government shall . . . include in

15

. major Federal actions significantly affecting the
quality of the human environment, a detailed statement”
with respect to “the environmental impact of the proposed
action, ... alternatives to the proposed action,” and other
environmental issues. 42 U.S.C. §4332. Moreover, “to the
fullest extent possible ... policies, regulations, and public
laws of the United States shall be interpreted and admin-
istered in accordance with the policies set forth in” NEPA.
42 U.S.C. §4332. The NEPA process determines whether
an action is one that “significantly” affects the environ-
ment, including an examination of direct effects and
indirect effects that are “reasonably foreseeable” as well as
“cumulative.” 40 C.F.R. §1508.8. Significant effects include
contextual effects such as ecological, aesthetic, historical,
cultural, economic, social and health impacts as well as an
intensity examination of direct, indirect and cumulative
impacts. 40 C.F.R. §1508.27a. NEPA also requires that
regional and local areas be evaluated for the proposed
action’s impacts upon them. /d. The first step in this NEPA
process was the Environmental Assessment (“EA”). An EA
is required to provide “sufficient evidence and analysis” to
enable an agency to determine whether to prepare a full
Environmental Impact Statement (EIS) or a FONSI, and
to aid the agency in complying with NEPA when no EIS is
prepared or facilitate preparation of an EIS when one is
necessary. 40 C.F.R. §1508.9. The EA shall also include
“brief discussions” describing the need of the proposed
action, alternatives to the action, the environmental
impacts of the proposal and its alternatives and a list of
the agencies and persons consulted. Jd.

The fact that the FMCSA rules were subject to NEPA
is undisputed. FMCSA prepared an EA and a FONSI. J.A.
34-35, 36-231. It is the adequacy of the document that is in

16

dispute. As discussed supra at part II, FMCSA’s actions in
adopting the three rules had independent impacts.
FMCSA failed to comply with the NEPA process when it
‘concluded that the impact need not be analyzed. These
impacts are significant in the Basin, and, therefore,
FMCSA should have prepared an EIS.

The EA failed to account for emissions increases
beyond those created by idling at the inspection stations.
J.A. 48. The EA did not analyze toxic emissions. FMCSA
erroneously concluded there would be no impacts from its
rules beyond the year 2002, yet the safety inspection and
certification programs do not end in 2002. As stated
previously, FMCSA used unsupported assumptions to
obtain a finding of no significance. J.A. 203-205.

FMCSA utilized models based on U.S. vehicles, not
Mexican vehicles. J.A. 205. FMCSA, thus, ignored existing
and future differences between U.S. and Mexican trucks in
their emissions estimations and standards. J.A. 332-335,
391-395. A report prepared for the state of California by
Environ (“Environ”), J.A. 387-413, and the Sierra Re-
search report both concluded that the average Mexican
truck is older than the average U.S. truck. This means
that the average Mexican truck will have more emissions
that the U.S. truck, due to the deterioration of the emis-
sions control system and the difference in standards over
time. J.A. 334-335; 360; 394-395. The fleet of Mexican
trucks has also not been subject to the same emissions
standards as the U.S. fleet, resulting in higher emissions
from Mexican trucks compared to U.S. trucks of the same
model year. J.A. 332-334 and 391-394. Additional stricter
standards apply to U.S. trucks starting in 2007. J.A. 315.
Sierra Research estimates that in 2010, the average
Mexico-domiciled truck will emit between 2-2.4 times more

17

NOx, between 2.2-3 times more PM2.5, between 2.2-3
times more PM10 and between 2.1-2.3 times more VOC

than the average U.S. truck due to age and emissions
differences. J.A. 337.

As previously noted, the SCAQMD updated its AQMP
in 2003 to incorporate new scientific data in the form of
updated emissions inventories, air quality modeling tools
and control measures. It is important to note that no
information was provided to any of the agencies on the
potential increase in emissions due to additional Mexican-
domiciled trucks entering the Basin. Thus, these emis-
sions were not included in baseline emissions, growth
projections or necessary future reductions. Had FMCSA
adequately assessed the impacts of its regulation as
required by NEPA, this information would have been
available to the SCAQMD. An important purpose of NEPA
is to provide “advice and information useful in restoring,
maintaining, and enhancing the quality of the environ-
ment” to states, counties, municipalities, institutions and
individuals. 42 U.S.C. §4332(G). The document prepared
by FMCSA fails to meet this purpose, and yet it is this
informational purpose that is essential to the SCAQMD’s
preparation of an adequate air quality control plan. NEPA
requires FMCSA to provide the information on the nega-
tive impacts the Mexican trucks will have on the Basin’s
air quality.

Perhaps the most important failure of the EA is its
lack of a localized impacts analysis. FMCSA failed to
determine whether its rules would have a significant
impact based on the particular circumstances of} this
extreme nonattainment area. The Environ study estimates
that Mexico-domiciled trucks will produce 40% more NOx
and 100% more PM10 in 2010 than California trucks using

a

18

different models. J.A. 400. These estimates were derived
utilizing the best scientific data currently available and
underscore the importance of a full EIS by FMCSA to
determine the true impacts by the emissions from the
Mexican trucks on air quality in the Basin and other
impacted areas.

The Mexican trucks are also not subject to the CARB
and EPA consent decrees requiring U.S. trucks to be
retrofitted to correct a device that is designed to circum-
vent emissions standards, which EPA expects will reduce
emissions of U.S. trucks built between 1993 and 1998 by
36%, and to meet the national standard earlier in Califor-
nia. J.A. 397. Finally, the Mexican fleet will also purchase
most of its diesel fuel in Mexico that is not as clean as the
low sulfur diesel fuel currently required by California,
adding to significant particulate emissions in the Basin.
J.A. 380, 475.

Even if we were to believe FMCSA’s unfounded
assumptions that Mexican trucks will merely replace U.S.
trucks on the roads rather than increasing the total
number of trucks, significant impacts will be realized for
the above-stated reasons, of lower emissions standards,
dirtier diesel fuel, older trucks, and lack of retrofitting
devices. Sierra Research found that replacing 50% of U.S.
trucks with Mexican trucks in the Basin would result in
an increase of 50 tons per day of NOx emissions and 1.2
tons per day of PM10 emissions in the year 2010 even
without an increase in traffic. J.A. 347. According to
Federal Highway Administration studies, the Basin lies on
one of the major U.S./Mexico truck traffic corridors where
the amount of freight carried by Mexican trucks may
substantially increase. Thus, even a replacement of the

19

U.S. fleet will exacerbate the previously mentioned im-
pacts on air quality. J.A. 322-25.

Regardless of whether the Mexican fleet replaces U.S.
trucks or adds to the truck traffic in the Basin or both,
significant air quality impacts will be realized in an area
that already is in extreme nonattainment and is having
difficulty meeting federal standards of air quality. There-
fore, a complete EIS on the impacts of the Mexico-
domiciled trucks to the environment by FMCSA with the
requisite alternatives and mitigation is necessary in order
to assure that the Basin and other affected areas meet
federal standards for air quality. The EA prepared by
FMCSA is inadequate and does not meet Congressional
intent that federal actions assure the widest range of
beneficial uses of the environment without degradation,
risk to health or safety, or other undesirable and unin-
tended consequences. 42 U.S.C. §4331.

B. Congress required that the impacts of the
FMCSA’s regulations be fully analyzed pur-
suant to the Clean Air Act

The Clean Air Act creates a partnership between
federal, state, and local governments to “protect and
enhance the quality of the Nation’s air resources so as to
promote the public health and welfare and the productive
capacity of its population.” 42 U.S.C. §7401. Congress
recognized that the states couldn’t meet these standards
alone. Accordingly, the CAA prohibits the federal govern-
ment from approving or supporting any activity that does
not conform to a plan. 42 U.S.C. §7506(c)(1). This “confor-
mity” provision insures that the federal government does
not interfere with local efforts to meet the demanding
federal and state air quality requirements. The statutory

20

language of the CAA is sweeping: “[n]o department,
agency or instrumentality of the Federal Government
shall engage in, support in any way or provide financial
assistance for, license or permit, or approve, any activity
which does not conform to an implementation plan... .”
Id. All federal agencies are required to affirmatively show
that their actions will not cause or contribute to any new
violation of any standard, increase the frequency or severity
of any existing violation, or delay timely attainment of any
standard or any required interim emissions reductions in a
nonattainment area. 42 U.S.C. §7506(c)(1)(B).

The EPA’s implementing regulations require federal
agencies to issue a conformity determination “for each
pollutant where the total of direct and indirect emissions
in a nonattainment or maintenance area caused by a
Federal action” would equal or exceed specified levels. 40
C.F.R. §93.153(b). As the Basin is classified as an extreme
ozone nonattainment area and a severe PM10 nonattain-
ment area, the applicable levels for increased emissions in
the Basin are 10 tons per year of NOx (the same threshold
as for major sources), 40 C.F.R. §93.153(b)(1), and 70 tons
per year of PM10. 40 C.F.R. §93.153(b)(2). Again, this is
equal to 55 pounds per day of NOx, which is exceeded by a
mere 8 additional trucks. The influx of Mexican trucks due
to the FMSCA regulations, however, will lead to increased
emissions in the Basin that far exceed the threshold levels.
According to the Sierra Research study, the regulations
would result in an increase in NOx emissions by 2010 of
50 tons per day in the Basin. J.A. 347. SCAQMD’s current
AQMP makes no provisions for these increased emissions.

FMSCA has failed to clearly demonstrate that its
actions will not lead to an increase in Basin emissions
above these levels. To the contrary, as the Court of Appeals

21

held, the EA on which FMSCA relies is “inadequate to
comply with the CAA” as it lacks any consideration of the
regional impact that the regulations will have on the
Basin or other nonattainment areas. 316 F.3d at 1030; JA
36-231. Moreover, the Court of Appeals correctly found
that FMSCA “systematically underestimated the emis-
sions that would result from its regulations.” 316 F.3d at
1030. The promulgation and implementation of the regula-
tions will result in Mexican-domiciled trucks being allowed
to travel through the Basin. J.A. 49-50, 58. Under EPA
rules, the increased emissions in the Basin resulting from
this influx of Mexican trucks are indirect emissions caused
by the FMCSA’s actions that must be taken into considera-
tion in a proper conformity determination. EPA defines
“indirect emissions” as those emissions that: “(1) are
caused by the Federal action, but may occur later in time
and/or may be further removed in distance for the action
itself but are still reasonably foreseeable; and (2) the
federal agency can practicably control and will maintain
control over due to a continuing programming responsibil-
ity of the Federal agency.” 40 C.F.R §93.152. While Peti-
tioners do not dispute that the federal action is the cause
of the increased truck traffic through the Basin’, they

* According to the EPA rules, emissions are “caused by” Federal
actions if they “would not otherwise occur in the absence of the Federal
action.” 40 C.F.R. §93.152. Federal action is defined as “any activity
engaged in by a department, agency, or instrumentality of the Federal
government, or any activity that a department, agency or instrumental-
ity of the Federal government supports in any way, provides financial
assistance for, licenses, permits, or approves ... Where the Federal
action is a permit, license, or other approval for some aspect of a non-
Federal undertaking, the relevant activity is the part, portion, or phase
of the non-Federal undertaking that requires the Federal permit,
license, or approval.” Jd.

22

erroneously argue that the increased emissions are not
within the “continuing program responsibility of the
agency.” Petitioners Brief 45. According to the EPA,
“[w]here an agency, in performing its normal program
responsibilities, takes actions itself or imposes conditions
that result in air pollutant emissions by a non-Federal
entity taking subsequent actions, such emissions are
covered by the meaning of continuing program responsibil-
ity.” 40 C.F.R §93.152. By promulgating and implementing
the regulations, the FMSCA has, as part of its normal
program responsibilities, imposed conditions that make it
possible for Mexican-domiciled trucks to travel through
the Basin. Not only will no Mexican trucks be allowed into
the Basin if the FMSCA does not promulgate the rules, but
also each Mexican-domiciled truck that enters the Basin
will do so only because it has complied with FMCSA’s
application and safety regulations and has thereby been
issued a certificate of authority by the agency in accor-
dance with the regulations. Moreover, any change that
FMSCA makes to the regulations has the potential to
change the number and type of trucks admitted into the
United States. Thus, the amount of emissions from Mexi-
can trucks traveling through the Basin will remain under
the FMCSA’s practicable control and part of its continuing
program responsibility.

Allowing the regulations to be implemented without
requiring a conformity analysis of the impact of these
Mexican trucks on SCAQMD’s air quality plan will have a
tremendous impact on the ability of the Basin to meet
state and federal air quality standards and will have
negai:ve isapacts on the health of millions of people.

¢

—. -

en et Ne Pa en

23

CONCLUSION

The judgment of the court of appeals should be up-

held.

Respectfully submitted,

FRANCES L. KEELER
Sr. Deputy District Counsel
Counsel of Record
SOUTH COAST AIR QUALITY
MANAGEMENT DISTRICT
21865 Copley Drive
Diamond Bar, CA 91765
Attorneys for Amici Curiae

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Source: Frix Law Library, https://www.frixlaw.com/law-library/documents/brief%3Amicro_IA40385014_0706%3A15. Public record. Not legal advice.
