The Stop CARB Act of 2025 aims to eliminate California's waiver under the Clean Air Act and prevent states from using California's motor vehicle.
The Stop CARB Act of 2025 amends the Clean Air Act to eliminate a waiver for California and to prevent states from using California's new motor vehicle emission and engine emission standards. It also repeals the authorization for states to adopt standards identical to California's. The bill further removes provisions allowing states to regulate emissions from nonroad engines and vehicles. These changes take effect upon the enactment of the Act, rendering any pending waiver applications denied.
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- Overview
- Core Provisions
- Implementation
- Impact
- Legal Framework
- Critical Issues
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