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State of California et al v. United States of America et al
Case Number:
4:25-cv-04966
See also:
Court:
Nature of Suit:
Judge:
Firms
- Benbrook Law Group
- Boyden Gray
- Briscoe Ivester
- Consovoy McCarthy
- Dhillon Law Group
- Donahue Goldberg
- Gibson Dunn
- Goodwin Procter
- Hecker Fink
- Hicks Thomas
- Lehotsky Keller
- Shute Mihaly
Companies
- American Fuel & Petrochemical Manufacturers
- American Petroleum Institute Inc.
- CALSTART
- Environmental Defense Fund Inc.
- National Association of Convenience Stores
- National Automobile Dealers Association
- National Corn Growers Association
- Natural Resources Defense Council
- Sierra Club
Government Agencies
- Bay Area Air Quality Management District
- Commonwealth of Massachusetts
- U.S. House of Representatives
Sectors & Industries:
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February 19, 2026
Calif. EV Waiver Fight Faces 'Significant' Hurdles, Judge Says
A California federal judge appeared open Thursday to tossing at least some claims by California and other states challenging the Trump administration's efforts to repeal Clean Air Act waivers, saying during a hearing that certain claims face "a significant challenge" following the Ninth Circuit's Center for Biological Diversity v. Bernhardt ruling.
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January 22, 2026
Transportation Cases To Watch In 2026
Clashes over the scope of federal preemption in personal injury cases involving freight brokers and motor carriers, the Trump administration's gutting of Biden-era vehicle emissions standards and cuts to states' transportation and infrastructure funding are among the court battles that transportation attorneys are monitoring in 2026.
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January 02, 2026
Energy And Environmental Cases To Watch In 2026
This year promises to be a big one for energy and environmental cases, with courts slated to consider California's authority to regulate vehicle emissions, the federal government's authority to rescind grant funding and whether the president can fire certain agency officials. Here, Law360 takes a look at key energy and environmental cases to watch at the U.S. Supreme Court and elsewhere.
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September 22, 2025
Trump Admin Says Calif. Emissions Waiver Fight Is DOA
The Trump administration has told a federal judge that California can't use the courts to override the will of Congress and undo the revocation of Clean Air Act waivers allowing the Golden State to establish its own vehicle emissions standards.
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September 08, 2025
Calif. Says Texas Doesn't Belong In Emissions Waiver Fight
The state of California told a federal judge that Texas has no business in a suit challenging the revocation of Clean Air Act waivers that allowed the state to set its own emissions standards, saying the Lone Star State wishes to inject "collateral issues" into the suit.
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August 25, 2025
Texas Wants To Back Trump In Calif. Vehicle Waiver Fight
Texas has told a federal court that California shouldn't be allowed to adopt vehicle emissions standards that are stricter than the U.S. Environmental Protection Agency's because other states essentially have to go along with them even if they disagree.
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June 12, 2025
Calif. Sues Trump Over 'Wildly Partisan' EV Waiver Repeal
The California attorney general and 10 other states sued the Trump administration in federal court Thursday, minutes after President Donald Trump signed resolutions repealing California's Clean Air Act waiver that allowed the state to establish its own vehicle emissions standards, slamming the resolutions as unconstitutional, irrational and "wildly partisan."