A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to “California State Motor Vehicle Pollution Control Standards; Notice of Decision Granting a Waiver of Clean Air Act Preemption for California’s 2009 and Subsequent Model Year Greenhouse Gas Emission Standards for New Motor Vehicles”.

S.J. Res. 206 would use the Congressional Review Act to reverse an EPA decision from 2009. That EPA rule had granted California a waiver under the Clean Air Act allowing the state to set its own, stricter greenhouse gas emission standards for new motor vehicles beginning with the 2009 model year. If this resolution passes, Congress would formally disapprove that waiver decision, and the underlying EPA rule would have no legal force or effect going forward.

The resolution would primarily affect California's authority to regulate vehicle greenhouse gas emissions independently of federal standards, as well as automakers who must design vehicles to comply with California's rules (which other states have also adopted). Consumers and manufacturers in states that follow California's standards could be affected by a return to relying solely on federal emissions requirements.

The measure was introduced August 5, 2026, by Senator Eric Schmitt (R-MO) along with seven cosponsors, and has been referred to the Senate Committee on Environment and Public Works. As a joint resolution, it would need to pass both the Senate and House and be signed by the President (or have a veto overridden) to take effect. No further action has occurred beyond introduction and committee referral.

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