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Trump Administration Proposed Rules Greenhouse Gas Emissions

Holland & Knight LLP

Up in the Air: EPA Opens Comment on Repealing Endangerment Finding, Motor Vehicle GHG Rules

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The U.S. Environmental Protection Agency (EPA) on Aug. 1, 2025, published a proposal to repeal all greenhouse gas (GHG) emission standards for light-duty, medium-duty, and heavy-duty vehicles and engines from model year 2012...more

Brownstein Hyatt Farber Schreck

EPA Moves to Rescind 2009 Endangerment Finding

On July 29, the Environmental Protection Agency (EPA) formally proposed to revoke its 2009 “Endangerment Finding,” in which the EPA declared that greenhouse gases contribute to air pollution and endanger public health. This...more

ArentFox Schiff

EPA Proposes Repeal of 2009 Endangerment Finding Impacting Greenhouse Gas Regulations

ArentFox Schiff on

On July 29, the US Environmental Protection Agency (EPA) announced a proposal to rescind its 2009 Endangerment Finding....more

DLA Piper

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

DLA Piper on

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

Haynes Boone on

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

Jones Day on

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

Hogan Lovells

EPA proposes reconsidering the 2009 GHG endangerment finding

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On July 30, 2025, the Environmental Protection Agency (EPA) issued a proposed rule to reconsider the 2009 Endangerment Finding that has served as the foundation for EPA's authority to regulate greenhouse gases (GHGs) for...more

Baker Botts L.L.P.

9 Questions About the 2009 Endangerment Finding Reconsideration (Updated with New Information from EPA Announcement on July 29,...

Baker Botts L.L.P. on

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

K&L Gates LLP

EPA Plans Reset of GHG and Mercury Rules for Power Plants

K&L Gates LLP on

Introduction - Continuing the regulatory whiplash over greenhouse gases (GHG) emissions from power plants, the United States Environmental Protection Agency (EPA) recently proposed repealing the Biden administration’s GHG...more

Goldberg Segalla

New Proposed Rules Would Repeal Certain Regulations on Power Plants, Mercury and Air Toxics Standards

Goldberg Segalla on

The Trump administration is proposing two repeals: one on regulations of power plants and the other on certain amendments to the 2024 Mercury and Air Toxics Standards. The administration believes these regulations have...more

Morgan Lewis

EPA Proposes Repeal of Greenhouse Gas Standards for Power Plants

Morgan Lewis on

The US Environmental Protection Agency recently issued a proposed rule and accompanying press release announcing its intent to repeal both the 2015 greenhouse gas emissions standards for new fossil fuel-fired power plants...more

Latham & Watkins LLP

EPA Proposes Repeal of Power Plant GHG Emissions Standards

Latham & Watkins LLP on

If finalized, the rule would eliminate both Obama- and Biden-era limits on GHG emissions from fossil fuel-fired power plants. On June 11, 2025, the US Environmental Protection Agency (EPA) released a proposed rule under...more

Morrison & Foerster LLP - Government...

Proposed Greenhouse Gas FAR Clause Withdrawn as Inauguration Approaches

The Biden Administration withdrew a proposed climate change-inspired amendment to the Federal Acquisition Regulation (FAR) one week before former President Donald Trump’s return to the White House. According to a notice...more

Mintz - Energy & Sustainability Viewpoints

Energy & Sustainability Washington Update — December 2024

Coming up on a month since the presidential election, some things are starting to become clearer, though many questions remain. We will release a Viewpoints article in the next week that will be a more in-depth assessment of...more

Foley Hoag LLP - Environmental Law

The SAFE Rule Is On the Way Out - I Don’t Feel Any Less Safe

Last week, the National Highway Traffic Safety Administration proposed to withdraw Part I of the Trump Administration’s SAFE Rule, in which EPA had concluded that California’s regulation of motor vehicle GHG emissions was...more

White & Case LLP

White House Proposes Significant Rollbacks to the National Environmental Policy Act

White & Case LLP on

The Trump administration proposed rules intended to speed up approval of major projects subject to the National Environmental Policy Act (NEPA), such as pipelines, power facilities, mines, highways, and other public...more

Allen Matkins

California Environmental Law & Policy Update - August #2

Allen Matkins on

Focus - EPA will not approve labels that say Roundup chemical causes cancer - U.S. News & World Report – August 8 - The U.S. Environmental Protection Agency (EPA) announced this Thursday that it will not approve...more

Beveridge & Diamond PC

Will EPA ‘ACE’ Its Attempt to Replace the Clean Power Plan? A Deeper Dive into EPA’s Proposed Affordable Clean Energy Rule

Beveridge & Diamond PC on

Introduction - As we have previously reported, on August 21, 2018, the U.S. Environmental Protection Agency (“EPA”) proposed to replace the Obama Administration’s Clean Power Plan (“CPP”) with the Affordable Clean Energy...more

Jones Day

EPA Offers ACE Rule to Trump Clean Power Plan

Jones Day on

Outlined in an Environmental Protection Agency ("EPA") proposal published on August 31, 2018, the Affordable Clean Energy ("ACE") rule would replace the Obama Administration's Clean Power Plan ("CPP"). A 60-day public comment...more

Downey Brand LLP

California Air and Climate, Vol. 4: CARB Cap-and-Trade Amendments and Methods to Reduce Transportation GHG; BAAQMD Seeking...

Downey Brand LLP on

California Air Resources Board (CARB) Proposes Amendments to its Cap-and-Trade Program - On September 4, 2018, CARB proposed amendments to its greenhouse gas (“GHG”) cap-and-trade program to implement the changes required...more

Womble Bond Dickinson

EPA Proposes Replacement to Clean Power Plan

Womble Bond Dickinson on

Earlier this week, on August 21, President Trump’s Environmental Protection Agency (“EPA”) proposed a rule pursuant to Section 111(d) of the Clean Air Act (“CAA”) intended to replace the embattled Clean Power Plan (“CPP”)...more

Holland & Knight LLP

DOE’s Grid Resiliency Pricing Rule Offers Hope for Nearly Extinct Coal, Nuclear Plants

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The U.S. Department of Energy’s recently-proposed grid resiliency rule offers new hope for nearly-extinct coal plants and endangered nuclear power plants operating in competitive organized wholesale power markets and, if...more

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