H.J.Res. 88Providing 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 and Engine Pollution Control Standards; Advanced Clean Cars II; Waiver of Preemption; Notice of Decision".

What the bill would do

This joint resolution revokes the waiver granted to the California Air Resources Board regarding its Advanced Clean Cars II (ACC II) regulations, which include new requirements for low-emission vehicles and zero-emission vehicles. (Under the Clean Air Act, California may seek waivers of the preemption prohibiting states from enacting certain emission standards.)

Summary by the Congressional Research Service. Last updated Jul 17, 2026.

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