Sponsors (18)
The bill prioritizes near-term cost savings for manufacturers, fleet owners, and consumer vehicle choice while limiting EPA technology mandates—but does so at the cost of slower emissions reductions, worsened local air quality, and added regulatory friction for states and the agency.
Fleet owners, heavy-truck and vehicle manufacturers (including small businesses and transportation operators) avoid near-term increases in compliance, purchase, or retrofit costs and retain flexibility to choose technologies.
Consumers (middle-class families and taxpayers) retain access to a full range of new vehicles regardless of engine type, avoiding shortages or limited model availability.
State governments and industry gain a predictable timeline because EPA must update regulations within two years, providing some regulatory clarity for planning and compliance.
Taxpayers, rural communities, and the broader public will lose expected reductions in greenhouse gas emissions from heavy-duty and other vehicles, slowing climate progress.
Communities near highways, freight hubs, and polluted areas face reduced air-quality improvements (more particulates and ozone precursors), worsening public-health outcomes.
State governments and regulators may face regulatory uncertainty and obstacles to meeting climate and air-quality goals because EPA's ability to require specific low-emission technologies is limited.
Based on analysis of 3 sections of legislative text.
Prohibits the Environmental Protection Agency from implementing or enforcing the EPA final rule titled "Greenhouse Gas Emissions Standards for Heavy‑Duty Vehicles—Phase 3" and changes the Clean Air Act to bar EPA from requiring the use of any specific technology or from producing limits on availability of new motor vehicles based on engine type; the EPA must revise its regulations to conform within two years of enactment. The bill preserves EPA authority to regulate emissions generally but restricts how standards may be written and halts application of the specific Phase 3 heavy‑duty vehicle rule.
Introduced March 12, 2025 by Daniel Scott Sullivan · Last progress March 12, 2025