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 and Engine Pollution Control Standards; Advanced Clean Cars II; Waiver of Preemption; Notice of Decision".

# Summary of SJRES 45 **What It Would Do:** This resolution would cancel an EPA decision from January 2025 that allowed California to set its own vehicle emission standards under the "Advanced Clean Cars II" program. Essentially, it would undo the EPA's approval of California's request for a waiver that permits the state to enforce stricter pollution controls on cars and trucks than federal standards allow. If passed, California would no longer be able to implement these stricter emissions rules. **Who It Affects:** The resolution primarily affects California, which would lose the ability to enforce its stricter vehicle emission standards. It also impacts automakers, who would face different regulations if California can't enforce ACC II rules, and consumers in California, since vehicle emissions policies influence available car options and pricing.

The resolution reflects a broader disagreement over whether states like California should be allowed to set environmental rules stricter than federal minimums. **Key Details:** The bill uses a congressional tool called the Congressional Review Act, which allows Congress to overturn federal regulations with a joint resolution. California's Advanced Clean Cars II program includes requirements for electric vehicles and emissions reductions. The resolution was introduced by Senator Shelley Moore Capito (R-WV) and is currently in committee. The outcome depends on support in both the House and Senate, plus the President's approval or veto.