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S. 3135 119th Congress Senate

Cold Weather Diesel Reliability Act of 2026

Official title: A bill to require the Administrator of the Environmental Protection Agency to authorize manufacturers of certain vehicles to suspend engine derate or shutdown … Show full official titleShow less

Official title: A bill to require the Administrator of the Environmental Protection Agency to authorize manufacturers of certain vehicles to suspend engine derate or shutdown functions in prolonged cold weather conditions, and for other purposes.

Introduced: November 6, 2025 Introduced by: Dan Sullivan Republican · Alaska See on congress.gov
Environmental Protection Administrative law and regulatory proceduresAtmospheric science and weatherEnvironmental Protection Agency (EPA)ManufacturingMotor vehicles
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 Everywhere this bill has been 6 steps
Introduced
In committee
Reported out
Passed House
Passed Senate
To President
Became law
Sep 16, 2026
Placed on Senate Legislative Calendar under General Orders. Calendar No. 619.
Sep 16, 2026
Committee on Environment and Public Works. Ordered to be reported with an amendment in the nature of a substitute favorably.
Sep 16, 2026
Committee on Environment and Public Works. Reported by Senator Capito with an amendment in the nature of a substitute. Without written report.
Mar 11, 2026
Committee on Environment and Public Works. Hearings held.
Nov 6, 2025
Introduced in Senate
Nov 6, 2025
Read twice and referred to the Committee on Environment and Public Works.
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What's happening now September 16, 2026

Placed on Senate Legislative Calendar under General Orders. Calendar No. 619.

 Hearings & markups 2
 Related & companion bills 1
  • HR 6250 Identical bill Cold Weather Diesel Reliability Act of 2025
 Bill text 2 versions

Source documents hosted by congress.gov.

 Committees of jurisdiction 1
 Lobbying activity 19

Registered lobbyists who named this bill in their disclosure filings. Source: federal Lobbying Disclosure Act filings.

Bodies those filers lobbied

A filing lists the bills it worked on and the parts of government it contacted in separate sections, so these are the bodies those filers named anywhere in the filing, not a per-bill breakdown.

See all 19 filings →
 Cosponsors 3
All 3 Republican 3
R
Murkowski, Lisa
Alaska · Mar 2, 2026
 R
Curtis, John R.
Utah · Feb 26, 2026
 R
Lummis, Cynthia M.
Wyoming · Nov 6, 2025
Cite this page click to expand
APA
U.S. Congress. (2026). S. 3135: Cold Weather Diesel Reliability Act of 2026. 119th Congress. Open America. https://openamerica.io/bill/119-S-3135/
MLA
"S. 3135: Cold Weather Diesel Reliability Act of 2026." 119th Congress, 2026, Open America, https://openamerica.io/bill/119-S-3135/.
Bluebook (legal)
S. 3135, 119th Cong. (2026), https://openamerica.io/bill/119-S-3135/.
Markdown link
[S. 3135: Cold Weather Diesel Reliability Act of 2026](https://openamerica.io/bill/119-S-3135/)
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