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Regulatory Requirements › Proposed Rules › Air Pollution

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

Data Centers/Clean Air Act: Washington Department of Ecology Draft Area-Specific General Order

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

The Washington Department of Ecology (“WDE”) has proposed an air quality general order for data centers in certain areas of the State of Washington. The draft order applies to data centers that use emergency generators...more

Vinson & Elkins LLP

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

Vinson & Elkins LLP on

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

Holland & Knight LLP

Clean Air Act Rulemakings Don't Follow the Normal Rules – Just Ask the Supreme Court

Holland & Knight LLP on

Every law student learns that the Administrative Procedure Act (APA) outlines the default rules for how federal agencies propose and finalize regulations and how courts review them. But for many significant actions under the...more

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