News & Analysis as of

Clean Air Act Comment Period Regulatory Agenda

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

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

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

Jones Day on

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

Robinson+Cole Environmental Law +

Back From the Grave? “Once In, Always In” for Hazardous Air Pollutant Emissions

In the Byzantine complexity of the Clean Air Act (CAA), EPA’s “once in, always in” policy regarding hazardous air pollutants (HAP) has been particularly confounding.  And now it’s back in play, through regulatory revisions...more

Holland & Knight LLP

EPA Publishes Semiannual Agenda Previewing PFAS-Related Agency Actions

Holland & Knight LLP on

The U.S. Environmental Protection Agency (EPA) on July 27, 2023, published its Semiannual Regulatory Agenda, which is intended to update the public about the agency's plan to review, propose and issue regulations over the...more

Jones Day

EPA Proposes Methane Emission Regulation for Existing Oil and Gas Production

Jones Day on

After years of attempts with varying success to regulate methane emissions from new oil and gas wells, the Biden administration has shifted strategy in proposing a regulatory program covering both new and existing oil and...more

Latham & Watkins LLP

EPA Proposes New Methane and VOC Emissions Limits

Latham & Watkins LLP on

Proposed new limits, intended to combat global warming, potentially affect numerous oil and gas operations. On September 18, 2015, the United States Environmental Protection Agency (EPA) proposed new limits on emissions...more

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