Overturn the Environmental Protection Agency rule “California State Motor Vehicle and Engine Pollution Control Standards; Advanced Clean…”

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.)

Specifically, the joint resolution nullifies the Environmental Protection Agency notice titled California State Motor Vehicle and Engine Pollution Control Standards; Advanced Clean Cars II; Waiver of Preemption; Notice of Decision.

Summary by the Congressional Research Service (Public Law), via GovInfo BILLSTATUS. Text, sponsors and history on Congress.gov. Sponsor: Rep. Joyce, John [R-PA-13].

Passed 246–164 on May 1, 2025 · On Passage

Democrats 35–164, Republicans 211–0

Source: Official roll call · Voteview

Joint Resolution Passed 52–44 on May 22, 2025 · On the Joint Resolution

Democrats 1–42, Independents 0–2, Republicans 50–0

Source: Official roll call · Voteview