Congress kills California's stricter car pollution rules via fast-track vote
H.J.Res. 88 — 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". · Filed by John Joyce (R-PA) · 41 cosponsors · Introduced Apr 2, 2025 · Signed
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What it does
This resolution uses the Congressional Review Act to block the EPA's decision to allow California to set its own vehicle emission standards under the Clean Air Act. The rule, called Advanced Clean Cars II, would let California impose stricter pollution controls on cars and engines than federal standards allow. By passing this resolution, Congress is saying the EPA's approval of California's waiver is void and has no legal effect.
Why we flagged it
This is a straightforward Congressional Review Act disapproval resolution that kills an EPA rule permitting California emission standards. It is functionally a deregulatory measure that blocks stricter pollution controls, though it operates through procedural rather than substantive legislative language.
What the text implies
- Blocking California's waiver also prevents other states (currently 10+) from adopting California's stricter standards under Clean Air Act Section 209, effectively nationalizing weaker federal emission rules.
- The resolution may trigger litigation over whether Congress can use CRA to overturn an EPA decision that itself was a regulatory approval (not a new rule), creating uncertainty about CRA's scope.
The full analysis lists 4 implications of this text.
Who stands to gain
automotive manufacturers (reduced compliance costs); light-duty vehicle suppliers; engine manufacturers