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- California v. United States
California v. United States
Geography
Year
2025
Document Type
Litigation
Part of
About this case
Filing year
2025
Status
Opening brief filed by Western States Trucking Association and Construction Industry Air Quality Coalition, Inc.
Geography
Docket number
25-8013
Court/admin entity
United States → United States Federal Courts → United States Court of Appeals for the Ninth Circuit (9th Cir.)
Case category
Constitutional Claims (US) → Other Constitutional Claims (US)Federal Statutory Claims (US) → Clean Air Act (US) → Environmentalist Lawsuits (US)
Principal law
United States → Administrative Procedure Act (APA)United States → Clean Air Act (CAA)United States → Congressional Review ActUnited States → Separation of Powers DoctrineUnited States → Take Care ClauseUnited States → Tenth AmendmentUnited States → Ultra Vires
At issue
Challenge to Congressional Review Act resolutions that “disapproved” Clean Air Act preemption waivers granted by the U.S. Environmental Protection Agency for California’s Advanced Clean Trucks, Advanced Clean Cars II, and Omnibus Low NOx regulations.
Topics
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Documents
Filing Date
Document
Type
Topics
Beta
01/15/2026
Opening brief filed by Western States Trucking Association and Construction Industry Air Quality Coalition, Inc.
Brief
Summary
Challenge to Congressional Review Act resolutions that “disapproved” Clean Air Act preemption waivers granted by the U.S. Environmental Protection Agency for California’s Advanced Clean Trucks, Advanced Clean Cars II, and Omnibus Low NOx regulations.
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Group
Topics
Target
Policy instrument
Just transition
Fossil fuel
Economic sector
Finance