Sponsors (8)
The bill favors nationwide regulatory uniformity and simpler federal administration (reducing compliance complexity and potential costs for automakers and regulators) at the expense of state authority to pursue stricter, locally tailored emissions standards—raising risks to local air quality, public health, and climate outcomes for communities that had relied on stronger rules.
Automakers and consumers benefit from a single nationwide vehicle emissions standard, reducing multi-state compliance complexity and potentially lowering vehicle production costs and consumer prices.
EPA and regulated firms operate under a single federal enforcement framework (eliminating California-specific waivers), simplifying federal administration and reducing the need for state-specific oversight and related litigation.
Fewer overlapping state programs and exemptions reduce regulatory fragmentation, which can lower compliance and administrative costs for state agencies and businesses.
Residents in states that previously adopted California-style standards—especially urban communities and children—lose the ability to rely on stronger local emissions rules, increasing exposure to air pollution and related health risks if federal standards are weaker.
Removing state authority to set stricter standards weakens incentives for automakers to produce cleaner vehicles, risking higher greenhouse gas emissions and worse climate outcomes over time.
States are barred from regulating emissions for construction, farm equipment, and locomotives, which may delay adoption of stricter controls on these significant pollution sources and harm regional air quality efforts.
Based on analysis of 3 sections of legislative text.
Eliminates California Clean Air Act waivers, denies pending waivers, bans states from adopting California-style vehicle/nonroad emissions standards, and repeals related statutory authority.
Official title: To amend the Clean Air Act to eliminate a waiver under that Act, to eliminate an authorization for States to use new motor vehicle emission and new motor vehicle engine emissions standards identical to standards adopted in California, and for other purposes.
Introduced March 18, 2025 by Troy E. Nehls · Last progress March 18, 2025
Removes the Clean Air Act authority that allowed California (and by extension other states) to get waivers to set their own motor vehicle emissions rules, cancels all existing and pending waivers, and bars states from adopting or enforcing separate emissions standards for on-road and specified nonroad engines and vehicles (including construction and farm equipment and locomotives). It also repeals the federal provision that let other states adopt California's standards and makes multiple conforming statutory changes, treating pending waiver applications as denied on enactment.