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Air Pollution Regulatory Reform Regulatory Requirements

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

Snell & Wilmer

EPA Steps Back, Arizona Moves Forward

Snell & Wilmer on

In a significant development for Arizona’s business community and environmental policymakers, the U.S. Environmental Protection Agency (EPA) has paused its planned reclassification of Maricopa County from “Moderate” to...more

McGlinchey Stafford

Trump Announces Presidential Exemptions Under Clean Air Act

McGlinchey Stafford on

In an unprecedented move, the Trump administration established an electronic mailbox to allow the regulated community to request a Presidential Exemption to certain requirements of the Clean Air Act (CAA). Under Section...more

Goulston & Storrs PC

Boston Requires Carbon Neutrality for Existing Buildings

Goulston & Storrs PC on

Furthering the aims of Boston’s 2019 Climate Action Plan, which identified large buildings as major carbon emitters, Boston City Council amended the Building Energy Reporting and Disclosure Ordinance (BERDO) to require all...more

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