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Vinson & Elkins LLP

EPA Proposes to Repeal Biden-era Regulations Governing Air Toxic Emissions from Coal- and Oil-Fired Power Plants

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On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024. These...more

(ACOEL) | American College of Environmental...

In Praise of Fuzzy Math

As we approach the two-year mark, there are plenty of unfinished items on the President’s to-do list. One in particular that tends to escape the limelight is of crucial importance to implementing Biden’s policy priorities,...more

Williams Mullen

Political Ping Pong? What’s Going On With the Utility Sector’s Clean Air Act Mercury and Air Toxics Standards?

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EPA recently issued a proposed rule (“the Proposed Rule”) regarding the Mercury and Air Toxics Standards (MATS), which regulate hazardous air pollutant (HAP) emissions from coal and gas-fired electric generating units (EGUs)...more

Williams Mullen

Environmental Notes - July 2021

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Can you still build a bulkhead along the shoreline in coastal Virginia to protect your property? Well, it depends, but now the answer is more likely to be “no.” Major changes to how Virginia tidal waterfront property owners...more

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