H.J. Res. 89 · Signed into law · Environmental Protection

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".

Sponsor: Jay Obernolte (R-CA)

What it does

• Nullifies the EPA's January 6, 2025 notice granting California a waiver to enforce its Heavy-Duty Vehicle and Engine Omnibus Low NOX regulations.
• Revokes California Air Resources Board authority to set emission standards stricter than federal baseline under the Clean Air Act waiver mechanism.
• Restores federal preemption over state-level emissions standards for heavy-duty vehicles and nonroad engines.

Official summary

This joint resolution nullifies the Environmental Protection Agency notice titled California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The ‘Omnibus’ Low NOX Regulation; Waiver of Preemption; Notice of Decision (90 Fed. Reg. 643) and published on January 6, 2025. Among other elements, the notice grants the California Air Resources Board request for a waiver for its Heavy-Duty Vehicle and Engine Omnibus Low NOX regulations. (Under the Clean Air Act, California may seek waivers of the preemption prohibiting states from enacting certain emission standards.)

Latest action

Jun 12, 2025: Became Public Law No: 119-17.

Committee: House Energy and Commerce