Congress kills California's stricter car-pollution rules, blocking cleaner air
H.J.Res. 89 — 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 and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOX Regulation; Waiver of Preemption; Notice of Decision". · Filed by Jay Obernolte (R-CA) · 32 cosponsors · Introduced Apr 2, 2025 · Signed
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What it does
This resolution directs Congress to disapprove an EPA rule that granted California a waiver to set its own vehicle emission standards for nitrogen oxides (NOx) under the Clean Air Act. The rule, published January 6, 2025, would have allowed California to impose stricter pollution controls on cars and engines than federal standards. By passing this resolution, Congress voids the EPA's decision and prevents California from enforcing those stricter standards.
Why we flagged it
This is a Congressional Review Act (CRA) disapproval resolution that uses the fast-track CRA mechanism to nullify an EPA emission-control rule. It functions as deregulation by blocking a state's ability to enforce stricter pollution standards, benefiting automotive manufacturers and fuel producers who would otherwise face costlier compliance.
What the text implies
- Disapproving this rule also blocks any substantially similar future EPA rule on the same subject under CRA rules (5 U.S.C. § 801(b)(1)(A)), locking in federal preemption of California emission standards for the remainder of the 119th Congress and potentially beyond.
- California and other states that have adopted California's emission standards under Clean Air Act Section 209 lose regulatory authority to enforce stricter NOx limits, potentially affecting air quality in 15+ states that follow California's lead.
The full analysis lists 3 implications of this text.
Who stands to gain
automotive manufacturers; light-duty vehicle producers; nonroad engine manufacturers