News & Analysis as of

Clean Air Act Environmental Protection Agency (EPA) Notice of Proposed Rulemaking (NOPR)

Clark Hill PLC

EPA proposes to rescind greenhouse gas endangerment finding

Clark Hill PLC on

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

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

Hogan Lovells

EPA proposes reconsidering the 2009 GHG endangerment finding

Hogan Lovells on

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

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

Regional Haze/State Implementation Plans: U.S. Environmental Protection Agency and Sierra Club Enter into Consent Decree Providing...

The United States Environmental Protection Agency (“EPA”) and Sierra Club entered into a July 12th Consent Decree (“CD”) addressing agency review of 32 states’ Clean Air Act State Implementation Plans (“SIP”) related to...more

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

National Secondary Ambient Air Quality Standards/Clean Air Act: U.S. Environmental Protection Agency and Center for Biological...

The United States Environmental Protection Agency (“EPA”) and Center for Biological Diversity (“CBD”) entered into a September 28th Settlement Agreement (“Settlement”) to resolve certain issues associated with Clean Air Act...more

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

Particulate Matter/Clean Air Act National Ambient Air Quality Standard: U.S. Environmental Protection Agency Announces...

The United States Environmental Protection Agency (“EPA”) announced in a June 10th news release that it will reconsider the Trump Administration’s decision to retain the particulate matter (“PM”) Clean Air Act National...more

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