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Rulemaking Process Environmental Protection Agency (EPA) Greenhouse Gas Emissions

Clark Hill PLC

EPA proposes to rescind greenhouse gas endangerment finding

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On Aug. 1, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule in which it proposes to rescind the 2009 Endangerment Finding and repeal all greenhouse gas (“GHG”) emission standards that have been...more

Womble Bond Dickinson

Pulling the Critical Block: EPA’s Repeal of the Endangerment Finding Could Topple Climate Rules

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On Tuesday, EPA proposed to repeal its 2009 Endangerment Finding (Repeal Proposal). That’s a big deal, with expansive implications. The 2009 Endangerment Finding determined six greenhouse gases (GHG) are air pollutants that...more

DLA Piper

EPA Proposes to Rescind Landmark Greenhouse Gas Endangerment Finding and Eliminate Mobile Source Emissions Standards for GHGs

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Today, August 1, 2025, the US Environmental Protection Agency (EPA) published a controversial proposed rule that, if finalized, would rescind the agency’s landmark 2009 determination that greenhouse gas (GHG) emissions from...more

Haynes Boone

EPA Proposes Repeal of Legal Foundation for Greenhouse Gas Rules

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The U.S. Environmental Protection Agency (EPA) has proposed a major shift in regulatory policy—to rescind the agency’s 2009 “Endangerment Finding” and to repeal all resulting emission standards for new motor vehicles and...more

Jones Day

EPA Initiates Rulemaking to Eliminate the 2009 GHG Endangerment Finding

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The U.S. Environmental Protection Agency ("EPA") proposes rescission of the 2009 Endangerment Finding, which underpins greenhouse gas regulation under the Clean Air Act....more

MG+M The Law Firm

EPA Moves to Repeal Biden–Harris-Era Power Plant Emissions Rules

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On June 11, 2025, the US Environmental Protection Agency, under Administrator Lee Zeldin, proposed repealing two key Biden–Harris-era rules targeting greenhouse gas and air toxic emissions from fossil fuel–fired power plants....more

Vinson & Elkins LLP

Power Move: EPA Proposes GHG Rules Repeal

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On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule that, if finalized, would repeal all greenhouse gas (“GHG”) standards for the power sector. Further, the principles underlying the...more

Baker Botts L.L.P.

9 Questions About the 2009 Endangerment Finding Reconsideration in 2025

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Over the course of the last 15 years, the U.S. Environmental Protection Agency (EPA) has developed a suite of regulations under the Clean Air Act (CAA) built upon EPA’s finding – originally made in 2009 – that greenhouse gas...more

Holland & Knight LLP

EPA Announces Deregulatory Initiative to "Power the Great American Comeback"

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U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced on March 12, 2025, that EPA will undertake 31 distinct actions in an effort to advance President Donald Trump's Day One executive orders (EOs) to...more

Foley & Lardner LLP

Pumping the Brakes? Outlook for State and Federal Vehicle, Engine, and Equipment Emissions Standards

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Share on Twitter Print Share by Email Share Back to top With the start of the second Trump administration just over a week away, there are many uncertainties with respect to how the new administration will regulate vehicle,...more

Pillsbury Winthrop Shaw Pittman LLP

New York’s “Climate Superfund” Bill becomes Law, Part of a Trend

In a “paradigm shift in environmental liability,” some states are seeking to legislate financial responsibility on large coal and oil & gas companies for the public costs associated with strengthening infrastructure against...more

ArentFox Schiff

Why the Congressional Review Act May Play a Major Role in Early Weeks of the Trump Administration

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There is significant potential that the Congressional Review Act (CRA) will play a prominent role in the early weeks of the Trump Administration. Below, we will break down what the CRA is, when it applies, and how it may be...more

Goldberg Segalla

EPA not Afraid of Changin’, Wants Landfills to Bring it (Methane Emission) Down

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The Environmental Protection Agency intends to issue a rule updating its Clean Air Act emission standards for new and existing municipal solid waste (MSW) landfills to cut methane and other harmful landfill gas emissions....more

King & Spalding

EJ in EPA Rulemaking

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In the first half of 2024, EPA has finalized a host of rules driven, at least in part, by concerns about disparate impacts and environmental justice. For instance, in conjunction with an April rule targeting greenhouse...more

Holland & Hart LLP

EPA Imposes Stringent Greenhouse Gas Rule for Fossil Fuel-Fired Power Plants

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On April 25, 2024, the EPA announced, as part of a suite of four rules for fossil fuel-fired power plants, its final greenhouse gas (GHG) standards for power plants—imposing stringent new requirements on existing coal-fired...more

Wiley Rein LLP

EPA’s Mandatory PFAS Reporting Rule Under TSCA Includes Thousands of Products, No Exemptions for Impurities or Imported Articles

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On September 28, 2023, the U.S. Environmental Protection Agency (EPA) issued a final rule to require reporting under Section 8(a)(7) of the Toxic Substances Control Act (TSCA) for Perfluoroalkyl and Polyfluoroalkyl Substances...more

Foley Hoag LLP - Environmental Law

Proposed NEPA Rules Address Climate Change, Environmental Justice, and Efficiency of Environmental Reviews

On July 28, 2023, the Council on Environmental Quality (CEQ) proposed reforms to the National Environmental Policy Act (NEPA) regulations governing how federal agencies review the environmental effects of major federal...more

Foley & Lardner LLP

Successfully Navigating EV Product Roll-Outs: Manufacturers Balance Innovation and Legacy Needs

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Automotive OEMs, suppliers, startups and other participants in the automotive ecosystem have a great deal to do in 2023 as manufacturers begin to move to diversify historical internal combustion engine (ICE) vehicle product...more

Proskauer Rose LLP

The Supreme Court Limits EPA’s Authority to Regulate Greenhouse Gas Emissions

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On June 30, 2022, the Supreme Court of the United States issued an important environmental ruling in West Virginia v. EPA, holding that while the United States Environmental Protection Agency (“EPA”) can regulate power plant...more

Holland & Hart LLP

The Future of Federal Agency Rulemakings After West Virginia v. Environmental Protection Agency

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The US Supreme Court’s 6-3 decision in West Virginia v. EPA, 597 US ___ (2022), narrowly defined the scope of the Environmental Protection Agency’s (EPA) statutory authority to regulate greenhouse gas emissions from...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Greenhouse Gas Reporting Program: Earthjustice Petitions U.S. Environmental Protection Agency to Add Dams/Reservoirs as a Source...

Earthjustice filed a March 21st Petition before the United States Environmental Protection Agency (“EPA”) on behalf of 130 groups requesting that dams and reservoirs be added as a source category under the Greenhouse Gas...more

Williams Mullen

Environmental Notes - January 2022

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New Approach: Proposed PFAS Regulation Erodes TSCA Exemptions - EPA’s proposed reporting and recordkeeping requirements for Per- and Polyfluoroalkyl Substances (PFAS) under the Toxic Substances Control Act (TSCA) may be...more

Hogan Lovells

NHTSA proposes MY2024-2026 Corporate Average Fuel Economy standards

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On August 10, 2021, the National Highway Traffic Safety Administration (NHTSA) issued a Notice of Proposed Rulemaking (NPRM) to revise the federal corporate average fuel economy (CAFE) emissions standards in model years (MY)...more

WilmerHale

The Biden Administration’s Approach to the Social Cost of Carbon

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As part of his comprehensive climate change agenda, President Biden convened a task force to assess the social cost of greenhouse gases. At the end of February, the task force published an interim report estimating the “cost”...more

WilmerHale

What a Biden Administration Will Mean for US Climate Change Policy

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Over the weekend, major news outlets announced that former Vice President Joe Biden will be the next president of the United States. Biden and his running mate, Vice Predident-elect Kamala Harris, pledged throughout the...more

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