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Regulatory Reform › Rulemaking Process › Clean Air Act

Womble Bond Dickinson

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

Womble Bond Dickinson on

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

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

Vinson & Elkins LLP

Power Move: EPA Proposes GHG Rules Repeal

Vinson & Elkins LLP on

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

Cozen O'Connor

California to Repeal Clean Fleets Regulation Following GOP AGs Challenge

Cozen O'Connor on

A group of 16 Republican AGs, the Arizona legislature, and a trade association announced that as a result of their lawsuit challenging California’s Advanced Clean Fleets regulation, the California Air Resources Board (CARB)...more

Pillsbury - Gravel2Gavel Construction & Real...

Environmental Update: Regulatory Notes – April 2025

Pillsbury - Gravel2Gavel Construction & Real... on

April has proven a busy month for environmental issues when it comes to the regulatory arena. Below are just a few of the notable developments:...more

Baker Botts L.L.P.

9 Questions About the 2009 Endangerment Finding Reconsideration in 2025

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Protection Agency (EPA) has developed a suite of regulations under the Clean Air Act (CAA) built upon EPA’s finding – originally made in 2009 – that greenhouse gas...more

McGuireWoods LLP

EPA Reconsiders NESHAPs: Key Changes and Industry Impacts for the HON Rule

McGuireWoods LLP on

The Environmental Protection Agency (EPA) on March 12 announced that it will reconsider eight National Emission Standards for Hazardous Air Pollutants (NESHAPs), affecting critical sectors within the American energy,...more

Vinson & Elkins LLP

EPA Proposes Far-Reaching Methane Rules for the Oil and Gas Sector

Vinson & Elkins LLP on

The first action proposes first-time emission guidelines to reduce methane emissions from almost 1 million existing oil and gas wells, almost 2,000 existing interstate natural gas compressor stations, and over 500 existing...more

Womble Bond Dickinson

EPA Proposes Replacement to Clean Power Plan

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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

Hogan Lovells

NHTSA and EPA propose roll back of Obama-era car rules

Hogan Lovells on

The National Highway Traffic Safety Administration (NHTSA) and the U.S. Environmental Protection Agency (EPA) issued a joint notice of proposed rulemaking today, called the "Safer Affordable Fuel-Efficient (SAFE) Vehicles...more

Williams Mullen

Round-up of Clean Air Developments from 2017

Williams Mullen on

2017 was an unusual year for environmental regulation, particularly under the Clean Air Act. A new President and new EPA Administrator have brought about significant changes to the environmental policies of their...more

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