119th Congress · Senate bill · Last action Sep 16, 2026
S. 3135IntroducedEnvironmental Protection
Cold Weather Diesel Reliability Act of 2025
Sponsor: Sen. Sullivan, Dan (R-AK)3 cosponsorsIntroduced Nov 6, 2025
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In plain English
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Where it is in the process
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Introduced
Nov 6
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Senate committee
Sep 16
3
Senate floor
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4
House
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5
Signed
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What happens next: Awaiting committee assignment or hearings in the Senate.
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Sponsor
Cosponsors (3)
CS
JS
LS
All Republican.
Activity timeline
Sep 16
1d ago
1d ago
Placed on Senate Legislative Calendar under General Orders. Calendar No. 619.
Sep 16
1d ago
1d ago
Committee on Environment and Public Works. Reported by Senator Capito with an amendment in the nature of a substitute. Without written report.
Sep 16
1d ago
1d ago
Committee on Environment and Public Works. Reported by Senator Capito with an amendment in the nature of a substitute. Without written report.
Sep 16
1d ago
1d ago
Committee on Environment and Public Works. Ordered to be reported with an amendment in the nature of a substitute favorably.
Mar 11
Mar 11
Mar 11
Committee on Environment and Public Works. Hearings held.
Nov 6
Nov 6, 2025
Nov 6, 2025
Read twice and referred to the Committee on Environment and Public Works.
Nov 6
Nov 6, 2025
Nov 6, 2025
Introduced in Senate
Read the bill text
Official text via Congress.gov. Opens in a new tab.
Full action log
All 7 recorded actions since introduction · Source: Congress.gov
2026
Sep 16
SENATEPlaced on Senate Legislative Calendar under General Orders. Calendar No. 619.
Sep 16
SENATECommittee on Environment and Public Works. Reported by Senator Capito with an amendment in the nature of a substitute. Without written report.
Sep 16
Committee on Environment and Public Works. Reported by Senator Capito with an amendment in the nature of a substitute. Without written report.
Sep 16
SENATECommittee on Environment and Public Works. Ordered to be reported with an amendment in the nature of a substitute favorably.
Mar 11
SENATECommittee on Environment and Public Works. Hearings held.
2025
Nov 6
SENATERead twice and referred to the Committee on Environment and Public Works.
Nov 6
Introduced in Senate
All 3 cosponsors
0 Democrats · 3 Republicans
Republicans (3)
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