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 Advanced Clean Car Program and a Within the Scope Conformation for California’s Zero Emission Vehicle Amendments for 2017 and Earlier Model Years”.

S.J. Res. 207 would nullify a 2013 EPA decision that granted California a waiver under the Clean Air Act allowing it to enforce its own, stricter vehicle emissions standards — specifically the state's Advanced Clean Car Program and related Zero Emission Vehicle requirements for 2017 and earlier model-year vehicles. Congress can disapprove certain federal agency rules under the procedures in chapter 8 of title 5 (the Congressional Review Act); if enacted, this resolution would declare the EPA waiver to have "no force or effect."

The resolution primarily affects California's authority to set its own vehicle pollution standards, which other states have at times chosen to follow. Automakers selling vehicles in California and any states that adopt its standards would also be affected, since revoking the waiver would change which emissions rules apply to older model-year vehicles covered by the waiver.

The bill was introduced in the Senate on August 5, 2026, by Senator Pete Ricketts (R-NE) along with seven cosponsors, and was referred to the Committee on Environment and Public Works. As a joint resolution, it would need to pass both the House and Senate and either be signed by the President or have a veto overridden before taking effect. No further action has occurred beyond introduction and committee referral.

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