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Senate bill · 119th Congress · Latest step: Committee action

Cold Weather Diesel Reliability Act of 2026

S. 3135Introduced Nov 6, 2025Policy area: Environmental Protection

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.

Sponsor: Sen. Dan Sullivan R-AK
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Where it went

Latest action: Sep 16, 2026 — Placed on Senate Legislative Calendar under General Orders. Calendar No. 619.

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

3 cosponsors — 3 Republicans

0 of 3 cosponsors (0%) are from the other party.

John Curtis (R-UT), Cynthia Lummis (R-WY), Lisa Murkowski (R-AK).

More from the sponsor

Other 119th Congress bills sponsored by Sen. Dan Sullivan.

Related bills

Relationships as recorded by Congress.gov.

Sponsor’s state and district

Alaska in Congress

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Data as of Oct 23, 2026 · bill record checked by PORKER from Congress.gov · votes from Senate.gov and the House Clerk. PORKER is non-partisan.