This resolution cancels an Environmental Protection Agency (EPA) notice that granted California permission (a “waiver”) to enforce its Advanced Clean Cars II rules. Under the Clean Air Act, California can ask for a waiver because states are usually blocked from setting their own vehicle emission standards. By nullifying the EPA’s notice, California would no longer have that permission for these rules . The EPA notice being canceled was published on January 6, 2025 .
In everyday terms, this means California’s stricter car and engine pollution rules under “Advanced Clean Cars II” would not be allowed, unless a new waiver is approved in the future .
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Last progress April 4, 2025 (8 months ago)
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Introduced on April 2, 2025 by John Joyce
President of the United States
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Last progress April 29, 2025 (8 months ago)