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Regulatory Reform Clean Air Act

ArentFox Schiff

EPA Proposes Repeal of 2009 Endangerment Finding Impacting Greenhouse Gas Regulations

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

Williams Mullen

Everything Old is New Again: Actual Emissions are No Longer Enforceable Under NSR Permitting

Williams Mullen on

EPA is withdrawing the proposed rule titled ‘‘Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR): Regulations Related to Project Emissions Accounting’’ published in the Federal Register...more

Williams Mullen

Is the Once in, Always in Policy Finally Dead?

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EPA’s controversial “Once in, always in, Rule” (Once in Rule) was recently rescinded under the Congressional Review Act, a statute which gives Congress the authority to overturn agency rules if such action is taken within...more

White & Case LLP

Trump Administration Issues Executive Order to Streamline Data Center Development

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On July 23, 2025, President Trump issued an Executive Order (the "EO") that directs federal agencies to streamline permitting reviews, provide financial support, and utilize federal land for the expeditious development of...more

Foley Hoag LLP - Energy & Climate Counsel

EPA Introduces Rule To Repeal Endangerment Finding

On Tuesday July 29, the U.S. Environmental Protection Agency (“EPA”) announced a proposed rule to repeal its 2009 finding that greenhouse gas (“GHG”) emissions from new motor vehicles contribute to pollution and endanger...more

Allen Matkins

California Environmental Law & Policy Update 8.1.25

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The U.S. Environmental Protection Agency (EPA) on July 29 proposed to repeal its landmark finding that greenhouse gas emissions endanger public health. The EPA’s so-called endangerment finding, issued in 2009, is a formal...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

Vorys, Sater, Seymour and Pease LLP

Trump Administration Proposes New Nationwide Permit for Data Centers and other Permitting Reforms

On July 23, the White House released “Winning the Race: America’s AI Action Plan,” (the "Plan") in response to President Trump’s January 23 Executive Order, “Removing Barriers to American Leadership in Artificial...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

ArentFox Schiff

Trump Administration Proposes Sweeping Environmental Regulatory Reforms to Accelerate US AI Infrastructure Development

ArentFox Schiff on

The Trump Administration has proposed implementing a broad range of regulatory changes in order to promote the development of artificial intelligence (AI) in the United States....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

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

Winning the Race: White House Releases America's AI Action Plan

The Executive Office of the President of the United States released a July 2025 document titled: Winning the Race – America’s AI Action Plan (“Action Plan”). The stated objective of the Action Plan is to ensure the...more

Tonkon Torp LLP

EPA Poised to Overturn Greenhouse Gas Endangerment Finding

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Current Environmental Protection Agency (EPA) Administrator Lee Zeldin proposed a rule today to rescind 2009 rules that form the basis of greenhouse gas (GHG) emissions limitations, a move that will almost certainly lead to...more

Latham & Watkins LLP

A “Golden Age” of Data Center Dominance

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A new executive order seeks to streamline funding for and construction of data center projects by reducing regulatory red tape. On July 23, 2025, the Trump administration issued an executive order titled “Accelerating...more

Holland & Hart LLP

Summary of Trump Administration's Release of AI Action Plan

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Earlier this week, President Trump signed an Executive Order as part of the release of his AI Action Plan entitled “Winning the AI Race: America’s AI Action Plan.” Led by White House AI and Crypto Czar, David Sacks, the...more

Akin Gump Strauss Hauer & Feld LLP

Regulatory Relief for Certain Stationary Sources to Promote American Chemical Manufacturing Security (Trump EO Tracker)

Grants a two-year exemption from compliance with the EPA’s HON Rule for 25 specified chemical manufacturing facilities. Extends implementation of new hazardous air pollutant standards under Section 112 of the Clean Air Act,...more

Akin Gump Strauss Hauer & Feld LLP

Regulatory Relief for Certain Stationary Sources to Promote American Iron Ore Processing Security (Trump EO Tracker)

Grants a two-year exemption from the EPA’s Taconite Rule to seven iron ore processing facilities operated by U.S. Steel and Cleveland-Cliffs. Extends all compliance deadlines under the rule, maintaining pre-existing emissions...more

Goldberg Segalla

EPA Grants Coke Plants Breathing Room on Emissions Requirements

Goldberg Segalla on

The EPA on July 2 issued a finalized interim rule, published six days later in the Federal Register, which delays implementation of certain National Emission Standards for Hazardous Air Pollutants (NESHAP) requirements for...more

Foley Hoag LLP - Environmental Law

Superfund May Be Fundamentally Broken, But That Doesn't Mean that It Can't Be Improved

Because the risks posed by superfund sites pale in comparison to the risks posed by air pollution and broader water pollution issues regulated under the Clean Water Act, I have been and remain deeply skeptical of the Trump...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

MG+M The Law Firm

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

MG+M The Law Firm on

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

Jenner & Block

New EPA Proposal Targets Rollback of Power Plant Emissions Rules

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Two weeks ago, the Environmental Protection Agency (EPA) released its proposed repeal of the rules governing greenhouse gas emissions from fossil fuel-fired power plants. Included within the proposal is a new legal...more

Foley Hoag LLP - Energy & Climate Counsel

EV Roundup - June 2025

The EV industry continues to face federal regulatory and political uncertainty and now, the clock is ticking on the Inflation Reduction Act’s electric vehicle (EV) tax credits and incentives. The recently proposed House and...more

Beveridge & Diamond PC

What the New Executive Order on “Fighting Overcriminalization in Federal Regulations” Means for Environmental Criminal Enforcement

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On May 9, 2025, President Trump issued Executive Order No. 14294, “Fighting Overcriminalization in Federal Regulations” (EO), which reinforces the administration’s deregulatory agenda. While sweeping in scope, the EO has...more

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

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On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more

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