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S3135Referred to Committee

Cold Weather Diesel Reliability Act of 2025

Share:
Introduced
In Committee
3
Passed One Chamber
4
Passed Both
5
Signed into Law
119th
Congress
2025-11-06
Introduced
3
Cosponsors
S
ⓘ
Type

Sponsor

Dan Sullivan
Dan Sullivan
Republican · AK · Senator
Votes with party: 73.7% (870 recorded votes)
Top industries funding sponsor:
  • Conservative Groups$4,600k

Full profile: /officials/S001198

Source: Congress.gov · FEC

Cosponsors (3)

Members who have signed on to support this bill since introduction. Source: Congress.gov.

  • Cynthia M. Lummis (R-WY)Original· 2025-11-06
  • John R. Curtis (R-UT)· 2026-02-26
  • Lisa Murkowski (R-AK)· 2026-03-02

Latest Action

The most recent step in the bill's legislative path. Committee Activity below shows referrals and reports; the full action-by-action history including floor proceedings lives at Congress.gov →

Committee on Environment and Public Works. Hearings held.

2026-03-11

Source: Congress.gov

Committee Activity

Currently in

  • Senate Committee on Environment and Public WorksHearings By (full committee) · 2026-03-11

Previously

  • Environment and Public Works CommitteeHearings By (full committee) · 2026-03-11
  • Environment and Public Works CommitteeReferred To · 2025-11-06
  • Senate Committee on Environment and Public WorksReferred To · 2025-11-06

Plain-English Summary

This bill would modify environmental rules for diesel fuel used in cold weather to make it more reliable and easier to use in freezing temperatures. The changes would affect fuel suppliers, trucking companies, and other businesses that rely on diesel engines in winter conditions, potentially making their operations more efficient while balancing air quality concerns. The bill is currently being reviewed by the Senate's environmental committee.

AI-assisted summary generated from the official bill metadata (title, subjects, actions) sourced from Congress.gov. Cached and reviewed. Always verify against the official text linked below.

Subjects

Environmental Protection
Full bill text is not yet cached locally.
Open text viewRead on Congress.gov

Related legislation

Bills by the same sponsor or covering overlapping subjects.

  • SJRES209A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision".
    Referred to Committee · 2026-08-06
  • SRES836A resolution designating August 16, 2026, as "National Airborne Day".
    Introduced · 2026-08-06
  • S5165POLAR Act
    Referred to Committee · 2026-07-29
  • S4938Bycatch Reduction Act
    Referred to Committee · 2026-06-24