News & Analysis as of

Regulatory Authority Oil & Gas Clean Air Act

Vinson & Elkins LLP

EPA Restores Viability of RFS Small Refinery Exemption, Signals New Policy Approach Moving Forward

Vinson & Elkins LLP on

On August 22, 2025, the Environmental Protection Agency (“EPA”) announced decisions on 175 small refinery exemption (“SRE”) petitions stretching back over the last four years. EPA’s scorecard reads that 63 petitions were...more

Best Best & Krieger LLP

U.S. Supreme Court Limits EPA’s Climate Change Authority Under the Clean Air Act

The Court’s Decision in West Virginia v. Environmental Protection Agency Opens the Door For Courts to Reconsider and Potentially Erode Chevron Deference - Last Thursday, the U.S. Supreme Court announced a 6-3 decision...more

Maron Marvel

U.S. Supreme Court Ruling Rolls Back EPA's Power to Regulate

Maron Marvel on

In a key ruling on the limits of the Environmental Protection Agency (EPA) to enact regulations under the Clean Air Act, the U.S. Supreme Court ruled the agency had exceeded its authority when it promulgated the Clean Power...more

Lathrop GPM

West Virginia v. EPA: Court Determines EPA Regulations Limited Under the Clean Air Act

Lathrop GPM on

The United States Supreme Court released its opinion earlier today outlining the Environmental Protection Agency’s (EPA’s) authority to regulate greenhouse gases from existing power plants. The majority opinion, written by...more

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