Cold Weather Diesel Reliability Act of 2025

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Bill ID: 119/s/3135
Last Updated: May 3, 2026

Sponsored by

Sen. Sullivan, Dan [R-AK]

ID: S001198

Follow the money

The bill

Cold Weather Diesel Reliability Act of 2025

S. 3135, 119th Congress β€” read as touching Automotive (Legacy).

The sponsor

Sen. Sullivan, Dan [R-AK]

Every bill has someone who introduced it. That name is where the paper trail starts.

The money

$1,129,097 raised

30 itemised contributions to this sponsor, pulled from FEC filings.

Bill's Journey to Becoming a Law

Track this bill's progress through the legislative process

Latest Action

Committee on Environment and Public Works. Hearings held.

March 10, 2026

Introduced

Committee Review

πŸ“ Current Status

Next: The bill moves to the floor for full chamber debate and voting.

πŸ—³οΈ

Floor Action

βœ…

Passed Senate

πŸ›οΈ

House Review

πŸŽ‰

Passed Congress

πŸ–ŠοΈ

Presidential Action

βš–οΈ

Became Law

πŸ“š How does a bill become a law?

1. Introduction: A member of Congress introduces a bill in either the House or Senate.

2. Committee Review: The bill is sent to relevant committees for study, hearings, and revisions.

3. Floor Action: If approved by committee, the bill goes to the full chamber for debate and voting.

4. Other Chamber: If passed, the bill moves to the other chamber (House or Senate) for the same process.

5. Conference: If both chambers pass different versions, a conference committee reconciles the differences.

6. Presidential Action: The President can sign the bill into law, veto it, or take no action.

7. Became Law: If signed (or if Congress overrides a veto), the bill becomes law!

Bill Summary

Another masterpiece of legislative theater, courtesy of the esteemed members of Congress. Let's dissect this farce and expose the real disease beneath.

**Main Purpose & Objectives:** The Cold Weather Diesel Reliability Act of 2025 is a cleverly crafted bill that claims to address the "life-threatening risks" posed by automatic engine shutdowns in extreme cold weather conditions. In reality, its primary objective is to provide a convenient loophole for diesel manufacturers and operators to circumvent emissions regulations.

**Key Provisions & Changes to Existing Law:** The bill revises existing regulations under the Clean Air Act to allow covered manufacturers to suspend engine derate or shutdown functions triggered by emissions control system faults in cold weather conditions. It also grants exemptions from diesel exhaust fluid system requirements for vehicles operating in areas with prolonged freezing conditions.

**Affected Parties & Stakeholders:** The usual suspects are involved: diesel manufacturers, operators, and industries that rely on these vehicles. The bill's sponsors, Mr. Sullivan and Ms. Lummis, likely have close ties to these interests. Don't be surprised if campaign contributions and lobbying efforts played a significant role in shaping this legislation.

**Potential Impact & Implications:** This bill is a classic case of regulatory capture, where special interests manipulate the system to their advantage. By exempting diesel vehicles from emissions regulations in cold weather conditions, we can expect increased air pollution, negative health effects, and environmental degradation. The "life-threatening risks" cited in the bill are merely a smokescreen for the real goal: to protect industry profits at the expense of public health and the environment.

In medical terms, this bill is akin to prescribing a placebo to a patient with a serious underlying condition. It may provide temporary relief or a false sense of security, but ultimately, it will exacerbate the problem. The symptoms of corruption, cowardice, and greed are evident throughout this legislation. As your trusty diagnostician, I prescribe a healthy dose of skepticism and outrage to counteract the toxic effects of this bill.

Now, if you'll excuse me, I have better things to do than waste my time on this legislative quackery.

Related Topics

Climate Change & Sustainability
Generated using Llama 3.1 70B (Dr. Haus personality)

πŸ’° Campaign Finance Network

Sen. Sullivan, Dan [R-AK]

Congress 119 β€’ 2024 Election Cycle

Total Contributions
$1,129,097
18 donors
PACs
$91,600
Organizations
$1,035,500
Committees
$0
Individuals
$0
1
SEND IN THE SEAL PAC
2 transactions
$60,000
2
THE LINCOLN CLUB OF ORANGE COUNTY FEDERAL PAC
1 transaction
$25,000
3
WINRED
1 transaction
$6,600
1
MACLEAN-FOGG COMPANY
3 transactions
$141,300
2
PASCUA YAQUI TRIBE
2 transactions
$82,600
3
PECHANGA TRIBE OF LUISENO MISSION INDIANS
2 transactions
$82,600
4
ONEIDA INDIAN NATION
2 transactions
$82,600
5
SHAKOPEE MDEWAKANTON SIOUX COMMUNITY
2 transactions
$82,600
6
SOBOBA BAND OF LUISENO INDIANS
2 transactions
$82,600
7
CHICKASAW NATION
2 transactions
$82,600
8
AGUA CALIENTE BAND OF CAHUILLA INDIANS
2 transactions
$77,800
9
MISSISSIPPI BAND OF CHOCTAW INDIANS
2 transactions
$77,800
10
POARCH BAND OF CREEK INDIANS
2 transactions
$77,800
11
AK-CHIN INDIAN COMMUNITY
1 transaction
$41,300
12
TIGUA INDIAN RESERVATION
1 transaction
$41,300
13
TUNICA-BILOXI TRIBE OF LOUISIANA
1 transaction
$41,300
14
MORONGO BAND OF MISSION INDIANS
1 transaction
$41,300

No committee contributions found

No individual contributions found

Cosponsors & Their Campaign Finance

This bill has 3 cosponsors. Below are their top campaign contributors.

Sen. Lummis, Cynthia M. [R-WY]

ID: L000571

Top Contributors

10

1
HEGYI, ALBERT P
1ST FINANCIAL BANK USA β€’ BANKER
IndividualNEW YORK, NY
$6,600
Dec 6, 2023
2
MANDELBLATT, DANIELLE
RETIRED β€’ RETIRED
IndividualASPEN, CO
$6,600
Sep 26, 2024
3
MANDELBLATT, ERIC
SOROBAN CAPITAL PARTNERS LP β€’ MANAGING PARTNER
IndividualASPEN, CO
$6,600
Sep 26, 2024
4
SAMANI, PYAHM
IndividualAUSTIN, TX
$5,800
Aug 8, 2023
5
CASCARILLA, MARISSA
NA β€’ HOMEMAKER
IndividualMIAMI, FL
$3,700
Apr 1, 2024
6
CASCARILLA, CHARLES
PAXOS β€’ CEO
IndividualMIAMI, FL
$3,700
Apr 1, 2024
7
DOWNS, RAISSA
TARPLIN, DOWNS AND YOUNG, LLC β€’ CONSULTANT
IndividualWASHINGTON, DC
$3,600
Dec 12, 2024
8
SCARAMUCCI, ANTHONY
SKYBRIDGE β€’ MANAGING PARTNER
IndividualPLANDOME, NY
$3,435
Jul 30, 2024
9
HOBART, ROBERT
VENTURE GOVERNMENT STRATEGIES β€’ CONSULTANT
IndividualNASHVILLE, TN
$3,435
Aug 5, 2024
10
HOLDING, KATHLEEN MS.
SUNLIGHT RANCH CO. β€’ EXECUTIVE
IndividualDAYTON, WY
$3,300
Dec 6, 2023

Sen. Curtis, John R. [R-UT]

ID: C001114

Top Contributors

10

1
KELLER INVESTMENTS PROPERTIES
OrganizationCENTERVILLE, UT
$29,800
Dec 31, 2023
2
SUQUAMISH INDIAN TRIBE
OrganizationSUQUAMISH, WA
$1,000
Aug 14, 2024
3
TENNIS & SUN LC
OrganizationSALT LAKE CITY, UT
$1,000
Jun 10, 2024
4
BGR GOVERNMENT AFFAIRS, LLC
OrganizationWASHINGTON, DC
$1,000
Mar 25, 2024
5
FUGAL COMMERCIAL SERVICES INC
OrganizationSALT LAKE CITY, UT
$1,000
Sep 13, 2023
6
STEEL, SHAWN
STEEL & EISNER, LLP β€’ ATTORNEY
IndividualSURFSIDE, CA
$10,000
Mar 25, 2024
7
STEEL, SHAWN
STEEL & EISNER, LLP β€’ ATTORNEY
IndividualSURFSIDE, CA
$10,000
Mar 25, 2024
8
BAKER, PAUL
RETIRED β€’ RETIRED
IndividualTUCSON, AZ
$6,600
Jun 5, 2024
9
BAKER, PAUL
RETIRED β€’ RETIRED
IndividualTUCSON, AZ
$6,600
Jun 5, 2024
10
BERKLEY, WILLIAM
WRBC β€’ CHAIRMAN
IndividualKEY LARGO, FL
$6,600
Jun 7, 2024

Sen. Murkowski, Lisa [R-AK]

ID: M001153

Top Contributors

10

1
MUCKLESHOOT INDIAN TRIBE
OrganizationAUBURN, WA
$3,300
May 15, 2023
2
THE CHICKASAW NATION
OrganizationADA, OK
$2,500
Dec 20, 2023
3
MUCKLESHOOT INDIAN TRIBE
OrganizationAUBURN, WA
$1,000
Nov 20, 2024
4
SHAKOPEE MDEWAKANTON SIOUX COMMUNITY
OrganizationPRIOR LAKE, MN
$1,000
Oct 26, 2023
5
SHAKOPEE MDEWAKANTON SIOUX COMMUNITY
OrganizationPRIOR LAKE, MN
$1,000
Jun 3, 2024
6
PUYALLUP TRIBE OF INDIANS
OrganizationTACOMA, WA
$1,000
Sep 30, 2024
7
SUQUAMISH INDIAN TRIBE
OrganizationSUQUAMISH, WA
$1,000
Sep 30, 2024
8
TOHONO O'ODHAM NATION
OrganizationSELLS, AZ
$1,000
Aug 9, 2024
9
CHOCTAW NATION OF OKLAHOMA
OrganizationDURANT, OK
$550
Oct 26, 2023
10
SEGAL, PAUL
LS POWER DEVELOPMENT, LLC β€’ CHIEF EXECUTIVE OFFICER
IndividualNEW YORK, NY
$3,300
Dec 16, 2023

Donor Network - Sen. Sullivan, Dan [R-AK]

PACs
Organizations
Individuals
Politicians

Hub layout: Politicians in center, donors arranged by type in rings around them.

Loading...

Showing 65 nodes and 39 connections (75 secondary connections hidden)

Total contributions: $1,187,497

Top Donors - Sen. Sullivan, Dan [R-AK]

Showing top 18 donors by contribution amount

3 PACs14 Orgs1 Committee

Industry Impact

Which industries are materially affected by specific provisions in this bill. 3 helped.

  • +Automotive (Legacy)confidence 0.90

    Section 4(a) authorizes manufacturers of covered vehicles (on-highway diesel vehicles or nonroad diesel equipment) to suspend engine derate or shutdown functions in cold weather, providing a regulatory rollback that benefits automotive manufacturers of diesel vehicles.

  • Section 4(a) and (b) provide relief for diesel vehicles used in freight rail, trucking, and logistics in cold weather, reducing operational disruptions and costs for surface transportation industries.

  • +Electric Utilitiesconfidence 0.70

    Section 4(b) grants year-round exemption from diesel exhaust fluid system requirements for vehicles operating in prolonged freezing conditions, which may benefit electric utilities that rely on diesel-powered backup generators or service vehicles in cold regions.

Who funds the sponsor on these industries

For each industry this bill affects, here's what the sponsor (Sen. Sullivan, Dan [R-AK])received from donors associated with that industry during the 2022–present cycles. Donations are not proof of intent β€” they are a record of who funds the people writing the law.

Industries this bill HELPS

  • from 1,024 contributions
    • SMITH, FREDERICK W. MR.$261,700
    • NORTH, MICHAEL$4,414
    • SEIBERT, MARTIN$2,767
    • LEEDER, RICHARD M.$1,700
    • LOUBRIS, PAUL$1,283
  • from 1,264 contributions
    • ARCHER, LYNNE MARGARET MS.$117,994
    • ARCHER, LYNNE$6,145
    • COX, FRANK$4,753
    • RAKES, ELBERT STEVEN$1,835
    • DWIGHT, TIMOTHY W. MR.$1,633
  • from 281 contributions
    • GOOD, LYNN J. MS.$20,000
    • BALLOU, RONALD MR.$1,838
    • CUNNINGHAM, RONALD T. MR.$1,274
    • MARKHAM, ROBERT MR.$1,125
    • BURLEY, ROBERT$953

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