HR2218-119

In Committee

Stop CARB Act of 2025

119th Congress Introduced Mar 18, 2025

Summary

What This Bill Does

The Stop CARB Act removes California's special Clean Air Act waiver pathway and related state authority. It strikes section 209(b), voids any California waiver issued before enactment, treats pending waiver applications as denied, and removes several references to state waivers in fuels and vehicle provisions. It replaces nonroad engine language with a broad prohibition on any state or local standard or requirement that directly or indirectly controls emissions from nonroad engines or nonroad vehicles, including construction equipment, construction vehicles, farm equipment, farm vehicles, locomotives, and locomotive engines. It also repeals section 177, which lets other states adopt California new motor vehicle emissions standards, and makes related conforming changes. The practical effect is to centralize these emissions standards at the federal level and invalidate California-led vehicle and nonroad emissions regimes.

Who Benefits and How

Automakers selling gasoline vehicles benefit because California-led standards and section 177 adoption states would lose authority to impose stricter vehicle requirements. Construction equipment manufacturers benefit because states could not adopt separate nonroad engine emissions standards for new construction equipment or vehicles. Farm equipment manufacturers benefit from a federal-only standard rather than state or local nonroad emissions rules. Refiners and fuel suppliers benefit from removal of several waiver-linked Clean Air Act fuel provisions.

Who Bears the Burden and How

California Air Resources Board loses its Clean Air Act waiver pathway and existing waivers lose force. States using California standards lose section 177 authority to adopt California new motor vehicle emissions standards. EPA must treat pending section 209 waiver applications as denied and implement conforming statutory changes. Communities exposed to vehicle and nonroad engine pollution may lose stricter state-level emissions protections.

Key Provisions

  • Repeals Clean Air Act section 209(b) waiver authority for California standards.
  • Voids existing California waivers and denies pending waiver applications as of enactment.
  • Prohibits state or local emissions standards for nonroad engines and nonroad vehicles.
  • Repeals section 177 authority for states to adopt California new motor vehicle standards.
  • Makes conforming changes to fuels and clean-fuel vehicle provisions tied to California waivers.

Evidence Chain:

This summary is generated from the full bill text using AI analysis. Expand "Detailed Analysis" below for identified beneficiaries/burden bearers with clause-level evidence links.

At a Glance

What This Bill Does

Repeals California Clean Air Act waiver authority, voids existing and pending section 209 waivers, blocks states from enforcing emissions standards for nonroad engines and vehicles, and repeals section 177 authority for states to adopt California new motor vehicle standards.

Key Policy Areas

Transportation, Air Quality, Federalism, Automotive

Primary Purpose

Repeals California Clean Air Act waiver authority, voids existing and pending section 209 waivers, blocks states from enforcing emissions standards for nonroad engines and vehicles, and repeals section 177 authority for states to adopt California new motor vehicle standards.

Policy Domains

Transportation Air Quality Federalism Automotive

Resolution provisions

Identified Gains
  • Automakers selling gasoline vehicles
  • Construction equipment manufacturers
  • Farm equipment manufacturers
  • Refiners
Model: codex-gpt-5 | Version: bill_summary_v2 | Source: ih
Refiners: ,
Farm equipment manufacturers: ,
Automakers selling gasoline vehicles: ,
Construction equipment manufacturers: ,
Identified Costs
  • California Air Resources Board
  • States using California standards
  • EPA
  • Communities exposed to vehicle pollution
Model: codex-gpt-5 | Version: bill_summary_v2 | Source: ih
EPA: ,
California Air Resources Board: ,
States using California standards: ,
Communities exposed to vehicle pollution: ,

Legislative Progress

In Committee
Introduced Committee Passed
Mar 18, 2025

Mr. Nehls (for himself, Mr. Donalds, Mr. Sessions, Mr. Stauber, …

Mar 18, 2025

Referred to the House Committee on Energy and Commerce.

Mar 18, 2025

Introduced in House

Stakeholder Effects

cui bono?

How this legislation distributes effects. Mention counts reflect frequency, not effect magnitude.

State & Local Government
4 mentions across 2 clauses
?4 uncertain

California Air Resources Board, States using California standards

Automotive
2 mentions across 2 clauses
?2 uncertain

Automakers selling gasoline vehicles

Manufacturing
2 mentions across 2 clauses
+2 positive

Construction equipment manufacturers

Agriculture
2 mentions across 2 clauses
+2 positive

Farm equipment manufacturers

Energy
2 mentions across 2 clauses
+2 positive

Refiners

Government
2 mentions across 2 clauses
-2 negative

EPA

Environment
2 mentions across 2 clauses
-2 negative

Communities exposed to vehicle pollution

2/3
sections analyzed
Full impact breakdown

Bill Structure & Actor Mappings

Who is "The Secretary" in each section?

Domains
Transportation Air Quality Federalism Automotive

We use a combination of our own taxonomy and classification in addition to large language models to assess meaning and potential beneficiaries. High confidence means strong textual evidence. Always verify with the original bill text.

Learn more about our methodology