Providing 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".

H.J.Res. 88 disapproves an Environmental Protection Agency (EPA) rule that would have allowed California to enforce its "Advanced Clean Cars II" vehicle emission standards. This rule, submitted by the EPA on January 6, 2025, sought to grant California a waiver to override federal preemption for its stricter vehicle pollution controls. The resolution, passed by Congress and signed into law on June 12, 2025, formally nullifies the EPA rule, preventing California from implementing its Advanced Clean Cars II program under this specific waiver. The bill directly affects California's ability to set its own vehicle emission standards for passenger cars and light trucks.