Sponsors (18)
The bill favors short‑term economic relief, consumer choice, and industry flexibility for vehicles, but does so at the cost of delayed emissions reductions, worse air quality and health outcomes for vulnerable populations, and weaker incentives for long‑term clean‑vehicle innovation.
Truck and fleet owners, small businesses, vehicle manufacturers, consumers, and taxpayers avoid near-term compliance costs and reduced regulatory uncertainty because stricter Phase 3 heavy‑duty GHG requirements are limited, lowering immediate outlays and procurement delays.
Vehicle buyers and manufacturers keep broader consumer choice and competition among engine and vehicle technologies by preventing technology‑specific mandates, which can sustain diverse innovation paths and help moderate vehicle prices.
Taxpayers and regulators face fewer immediate enforcement and incentive costs because the bill avoids near-term spending or administrative actions tied to implementing stricter standards.
All Americans—especially transportation workers, urban and rural communities, and taxpayers—lose expected reductions in heavy‑duty vehicle greenhouse gas emissions, slowing progress toward climate goals and increasing long‑term climate-related costs.
Children, seniors, and vulnerable urban populations will face worsened air quality because delayed standards postpone reductions in particulate matter and NOx, producing negative public‑health outcomes and higher health costs.
Clean‑technology firms, utilities, manufacturers, and investors face greater uncertainty and weaker market signals for zero‑emission vehicles, as the bill can slow private R&D and tilt automakers toward lower‑cost near‑term technologies over longer‑term clean solutions.
Based on analysis of 3 sections of legislative text.
Blocks EPA from enforcing a named heavy‑duty vehicle greenhouse gas rule and bars EPA from requiring specific technologies or limiting vehicle availability by engine type under the cited Clean Air Act authority.
Prohibits the EPA Administrator from implementing or enforcing the EPA’s April 22, 2024 final rule setting greenhouse gas standards for heavy‑duty vehicles (Phase 3). It also amends the Clean Air Act authority to ban EPA rules under that provision from requiring specific technologies or producing limited availability of new vehicles by engine type, and requires the Administrator to revise existing regulations to conform within two years.
Official title: Prohibit the enforcement of a rule with respect to emissions, to amend the Clean Air Act to ensure that tailpipe regulations do not limit the availability of new motor vehicles, and for other purposes.
Introduced March 12, 2025 by Daniel Scott Sullivan · Last progress March 12, 2025