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S. 1072

BillFederalSenateIn Committee
Stop CARB Act of 2025
About This Bill
Committee
Latest Action · March 14, 2025
Read twice and referred to the Committee on Environment and Public Works.
Congress
119th (2025–2027)
Introduced
March 14, 2025
Cosponsors (17)
0D 17R
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Summary

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The Stop CARB Act would eliminate California's special authority under the Clean Air Act to set its own vehicle emission standards and allow other states to adopt those same standards. Currently, California has a waiver that lets it establish stricter pollution rules than federal requirements, and about a dozen states follow California's standards instead of federal ones. This bill would revoke that waiver, invalidate any pending waiver applications, and prohibit states from adopting California's emission standards for cars, trucks, and engines. The legislation also removes California's ability to regulate emissions from nonroad equipment like construction machinery and farm equipment. The bill contains no specific funding provisions or implementation timeline beyond taking effect upon enactment, and would streamline federal emission standards by eliminating the patchwork of state-level regulations that currently exist.

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