Documents

Visibility, Regional Haze, and the Clean Air Act: Status of Implementation

Congressional research report · CRS Report · Oct 23, 2006

Air Act: Status of Implementation Background to the Regional Haze Rule When amending the Clean Air Act in 1977, Congress added provisions focused on protecting the quality of clean air areas, and especially … In 1 1977 Clean Air Act Amendments, Part C, Title 1. P.L. 95-95.

California and the Clean Air Act (CAA) Waiver: Frequently Asked Questions

Congressional research report · Reports · May 9, 2025

The written comment period remains open for a period of time after the public hearing. … The written comment period remains open for a period of time after the public hearing.

Volkswagen, Defeat Devices, and the Clean Air Act: Frequently Asked Questions

Congressional research report · CRS Report · Sep 1, 2016

Congressional Research Service 11 Volkswagen, Defeat Devices, and the Clean Air Act: Frequently Asked Questions  VW must invest $2 billion over a 10-year period to support the increased use of zero … The publication of notice of the Proposed Consent Decree triggered a 30-day public comment period, which concluded on August 6, 2016.

Key Historical Court Decisions Shaping EPA’s Program Under the Clean Air Act

Congressional research report · CRS Report · Feb 16, 2017

shaped EPA’s program under the Clean Air Act (CAA or Act). … : administrative compliance order BACT: best available control technology BSER: best system of emission reduction CAA: Clean Air Act CAIR: Clean Air Interstate Rule CO2: carbon dioxide CPP: Clean Power

Supreme Court Clarifies Who Can Hear Challenges to Clean Air Act Actions

Congressional research report · Legal Sidebar · Jul 8, 2025

Legal Sidebari Supreme Court Clarifies Who Can Hear Challenges to Clean Air Act Actions July 8, 2025 On June 18, 2025, the Supreme Court decided EPA v. Calumet Shreveport Refining and Oklahoma v. … EPA, a pair of cases about Clean Air Act (CAA) Section 307(b)(1), which governs judicial review of the U.S. Environmental Protection Agency’s (EPA’s) “final action[s]” under the CAA.

Federal/State Relations Under the Clean Air Act: The Supreme Court Takes Two Cases

Congressional research report · CRS Report · Jul 28, 2003

Order Code RS21580 July 28, 2003 CRS Report for Congress Received through the CRS Web Federal/State Relations Under the Clean Air Act: The Supreme Court Takes Two Cases name redacted Legislative Attorney … American Law Division Summary Recently, the Supreme Court agreed to hear two cases involving federalism issues under the Clean Air Act (CAA).

Climate Change: Potential Regulation of Stationary Greenhouse Gas Sources Under the Clean Air Act

Congressional research report · CRS Report · Dec 10, 2009

regulation of stationary sources under the Clean Air Act at that time. … period.

California’s Waiver Request Under the Clean Air Act to Control Greenhouse Gases From Motor Vehicles

Congressional research report · CRS Report · Feb 10, 2009

The Clean Air Act (CAA) generally preempts states from adopting their own emission standards for mobile sources. … period, the agency received more than 60,000 comments, the vast majority of them urging it to grant the waiver.

The Supreme Court Upholds EPA Standard- Setting Under the Clean Air Act: Whitman v. American Trucking Ass'ns

Congressional research report · CRS Report · Mar 28, 2001

American Trucking Associations, a challenge to EPA’s promulgation in 1997 of revised national ambient air quality standards for ozone and particulates under the Clean Air Act. … Background NAAQSs lie at the very heart of the Clean Air Act.

Air Quality Standards: The Decisionmaking Process

Congressional research report · CRS Report · Apr 9, 2002

on Air Quality was created by the Clean Air Act Amendments of 1977, §323, to review the Act and to report to the Congress the effects of the Act, alternative ways of controlling air pollution, and any … received over 25,000 comments during the public comment period.

Ozone Air Quality Standards: EPA’s Proposed Changes

Congressional research report · CRS Report · Jun 20, 2007

As defined in Section 109 of the Clean Air Act, NAAQS are standards that apply to ambient (outdoor) air. The act directs EPA to set both primary and secondary standards. … Section 307(d) of the Clean Air Act sets out the procedures for proposal and promulgation.

Regional Haze: EPA's Proposal to Improve Visibility in National Parks and Wilderness Areas

Congressional research report · CRS Report · Jul 9, 1998

These PSD regulations for clean air areas were codified, with some changes, as Part C of Title I in the 1977 Amendments to the Clean Air Act. … For a more thorough discussion of Clean Air Act sanctions, see Highway Fund Sanctionsfor Clean Air Act Violations, CRS Report 97-959 ENR.)

Air Quality Standards and Sound Science: What Role for CASAC?

Congressional research report · CRS Report · Apr 21, 2008

, and new data submitted during the public comment period. … Indeed, rather than helping the Agency more-easily achieve its NAAQS reviews for the six criteria air pollutants within the statutorily-mandated five-year period (i.e., per the Clean Air Act Amendments

Clean Air Issues in the 113th Congress: An Overview

Congressional research report · CRS Report · Jan 6, 2015

The agency has also developed revisions of several existing air standards—in general, the Clean Air Act mandates that existing standards be reviewed periodically and revised if appropriate. … the Clean Air Act’s statutory requirements.

EPA’s Clean Energy Incentive Program: Background and Legal Developments

Congressional research report · CRS Report · Aug 29, 2016

review.”39 On August 25, 2016, EPA extended the comment period by 60 days until November 1, 2016, stating that this change “allows for requested tribal consultation” on the proposed CEIP rule.40 In contrast … was similar to OSHA’s proposal (see Proposed Rule; Extension of Comment Period and Postponement of Hearings, 57 Federal Register 37,126 [August 18, 1992]); (2) a 2001 postponement of a comment period

Reconsidering the Clean Power Plan

Congressional research report · CRS Report · Oct 25, 2017

Air Act. … Following the comment period, EPA must review and respond to “each of the significant comments, criticisms, and new data submitted in written or oral presentations during the comment period.”2 The proposed

Climate Change: Comparison of the Cap-and-Trade Provisions in H.R. 2454 and S. 1733

Congressional research report · CRS Report · Nov 5, 2009

Clean Air Act. … and two major changes to the Clean Air Act.

Clean Air Permitting: Implementation and Issues

Congressional research report · CRS Report · Sep 1, 2016

: Implementation and Issues Summary The 1990 Clean Air Act (CAA) amendments required major industrial sources of air pollutants to obtain operating permits. … /caaac/final-report-clean-air-act-advisory-committee-title-vimplementation-experience.

Clean Air Issues in the 110th Congress: Climate Change, Air Quality Standards, and Oversight

Congressional research report · CRS Report · Nov 3, 2008

Sections 108 and 109 of the Clean Air Act establish statutory requirements for the identification of NAAQS (or “criteria”) air pollutants47 and the setting and periodic review of the NAAQS standards. … CASAC will be relegated to commenting on the policy paper after it appears in the Federal Register, during a public comment period.

National Ambient Air Quality Standards and Selected Issues for Congress

Congressional research report · Reports · Sep 14, 2026

Barr, “Introduction to the Clean Air Act: History, Perspective, and Direction for the Future,” in The Clean Air Act Handbook, ed. J. R. … /caa-permitting/ delegation-clean-air-act-authority.