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Mercury Clean Air Act Oil & Gas

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

Jones Day

EPA Proposes Stricter Mercury and Air Toxics Standards for Power Plants

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The Environmental Protection Agency ("EPA") has announced a new proposed rule that would strengthen the National Emission Standards for Hazardous Air Pollutants ("NESHAP") for Coal- and Oil- Fired Electric Utility Steam...more

WilmerHale

Environmental Litigation Alert: Citizen Suits Challenge Rollbacks, Replacements and Project Approvals

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This is the eighth issue of WilmerHale’s 10-in-10 Hot Topics in Energy Series. Over the course of 10 weeks, our attorneys will share insights on current and emerging issues affecting the US energy sector. Attorneys from...more

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

Mercury and Air Toxics Standards: U.S. Senator Carper Letter to U.S. Environmental Protection Agency

United States Senator Tom Carper (D-Del.) sent a December 13th letter to the U.S. Environmental Protection Agency (“EPA”) Office of Information and Regulatory Affairs: . . . expressing grave concerns regarding the...more

Stoel Rives LLP

Air Quality Law Alert: U.S. Supreme Court Blocks EPA Coal Plant Air Toxics Standards

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Earlier today the US Supreme Court issued a 5 to 4 decision in Michigan v. EPA that struck down the U.S. Environmental Protection Agency’s (EPA) Mercury and Air Toxics Standard (MATS) rule. The MATS rule imposes stringent...more

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