HJRES89FEDERALsigned

Enacted

Congress nullifies EPA waiver allowing California's 'Omnibus' low-NOx vehicle emission standards

Original title: 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".

June 12, 2025

Environmental Regulation Vehicle Emissions Congressional Review Act Federal Preemption California Policy

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Where This Stands

Introduced

Committee

Floor Vote

Passed

Current status: signed.

Last action

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

Version history

Only one version on file - nothing to compare yet. As later stages (committee substitute, engrossed, enrolled) are captured, the redline appears here.

View official text →

The Frame

What this does

This resolution removes California's legal authority to set independent, more stringent emission limits for nitrogen oxides () than those required by federal law, impacting how vehicle manufacturers must design engines for the California market.

Who is mentioned in the record

Potentially affected actors named in the source documents. Mention is not a position.

California Air Resources Board

The agency is prohibited from enforcing the specific 'Omnibus' low-NOx standards previously authorized by the EPA.

Motor vehicle manufacturers

These companies are no longer required to meet the specific California-only 'Omnibus' low-NOx standards that were nullified.

What changed

Current stage: signed.

What's next

Next step not available in the current record.

Summary

Congress has formally disapproved and overturned an Environmental Protection Agency (EPA) decision that granted California a waiver to enforce its own stricter '' low- emission standards for motor vehicles and engines. This action effectively blocks the state from implementing these specific pollution control requirements, overriding the federal agency's previous authorization.

Key Facts

You don't have to trust us. Each fact below is taken straight from the official document - click any one to see the exact passage, highlighted in the original.

Why It Matters

Frequently Asked Questions

What does this resolution do?

It uses the to cancel an EPA decision that allowed California to set its own, stricter emission standards for nitrogen oxides () in vehicles.

Can California still set its own emission rules?

This specific resolution blocks the '' low- regulation waiver, preventing California from enforcing those specific standards.

News Coverage

No news coverage found yet. Articles are indexed twice daily.

Discoveries

Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.

policy shift90% confidence

Federal Preemption of State Environmental Standards

The use of the Congressional Review Act to specifically target a state-level waiver of preemption marks a significant shift in federal-state regulatory dynamics.

Environmental Protection Agency California

Connected Entities

locationCalifornia“The state whose vehicle emission standards were the subject of the EPA waiver.”Map →

organizationEnvironmental Protection Agency“The federal agency that originally granted the waiver for California's emission ”Map →

Analysis Score

0–100

Significance90
How much this matters to a regular citizen
Controversy85
Intensity of disagreement among stakeholders
Entertainment20
Compellingness for a non-policy-wonk reader
Buzz60
Current news / social attention level

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