News & Analysis as of

Clean Air Act California Preemption

Morrison & Foerster LLP

Federal Court Declines to Enjoin California Climate Disclosure Laws

On August 13, 2025, the U.S. District Court for the Central District of California declined to enjoin California’s two major climate disclosure bills, the Climate Corporate Data Accountability Act (SB 253) and the...more

Baker Donelson

Endangerment Finding Reconsidered as Clean Air Waivers Are Targeted

Baker Donelson on

California's unique ability to set its own vehicle emissions standards under Section 209(b) of the Clean Air Act (CAA) is facing unprecedented legal and political challenges. At the center of the controversy is Congress's...more

Holland & Knight LLP

Up in the Air: Congress Nullifies Clean Air Act Waivers for California

Holland & Knight LLP on

In the weeks since Holland & Knight previously reported on challenges to California's Clean Air Act (CAA) preemption waivers on April 30, 2025, Congress has taken decisive action. Following the U.S. House of Representatives'...more

Blank Rome LLP

SCOTUS Declines to Review California’s Clean Air Act Preemption Waiver—Current Implications and Expected Response from the...

Blank Rome LLP on

Update and Background - The U.S. Supreme Court, in Diamond Alternative Energy, LLC v. EPA, et al, recently declined to review whether the Environmental Protection Agency (“EPA”) exceeded its authority by granting a...more

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