Senate bill · 119th Congress · Latest step: Introduced
Diesel Truck Liberation Act of 2025
Official title: A bill to prohibit the enforcement of laws relating to the installation, certification, and maintenance of emissions control devices under the Clean Air Act, and for other purposes.
Sponsor: Sen. Cynthia Lummis R-WYWhere it went
- IntroducedOct 14, 2025
- Committee action—
- Passed Senate—
- Passed House—
- To the President—
- Became law—
Latest action: Oct 14, 2025 — Read twice and referred to the Committee on Environment and Public Works.
Vote results
No recorded roll-call votes on this bill in PORKER’s records (voice votes and unanimous consent are not roll calls; roll-call records start in 2011).
Cosponsors
2 cosponsors — 2 Republicans
0 of 2 cosponsors (0%) are from the other party.
More from the sponsor
Other 119th Congress bills sponsored by Sen. Cynthia Lummis.
- S. 284 (119th) Congressional Award Program Reauthorization Act
- S. 790 (119th) A bill to redesignate the National Historic Trails Interpretive Center in Casper, Wyoming, as the "Barbara L. Cubin National Historic…
- S. 2273 (119th) Wyoming Education Trust Modernization Act
- S. 1525 (119th) Common Cents Act
- S.Res. 430 (119th) A resolution designating October 4, 2025, as "National Energy Appreciation Day" to celebrate the people who work to power the United…
- S.Res. 645 (119th) A resolution recognizing 2026 as the "International Year of Rangelands and Pastoralists".
Related bills
Relationships as recorded by Congress.gov.
Sponsor’s state and district
Data as of Sep 25, 2026 · bill record checked by PORKER from Congress.gov · votes from Senate.gov and the House Clerk. PORKER is non-partisan.