Cold Weather Diesel Reliability Act of 2025

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Bill ID: 119/s/3135
Last Updated: April 9, 2026

Sponsored by

Sen. Sullivan, Dan [R-AK]

ID: S001198

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 11, 2026

Introduced

Committee Review

📍 Current Status

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

🗳️

Floor Action

Passed Senate

🏛️

House Review

🎉

Passed Congress

🖊️

Presidential Action

⚖️

Became Law

📚 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

Civil Rights & Liberties State & Local Government Affairs Transportation & Infrastructure Small Business & Entrepreneurship Government Operations & Accountability National Security & Intelligence Criminal Justice & Law Enforcement Federal Budget & Appropriations Congressional Rules & Procedures
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💰 Campaign Finance Network

Sen. Sullivan, Dan [R-AK]

Congress 119 • 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 BANKER
Individual NEW YORK, NY
$6,600
Dec 6, 2023
2
MANDELBLATT, DANIELLE
RETIRED RETIRED
Individual ASPEN, CO
$6,600
Sep 26, 2024
3
MANDELBLATT, ERIC
SOROBAN CAPITAL PARTNERS LP MANAGING PARTNER
Individual ASPEN, CO
$6,600
Sep 26, 2024
4
SAMANI, PYAHM
Individual AUSTIN, TX
$5,800
Aug 8, 2023
5
CASCARILLA, MARISSA
NA HOMEMAKER
Individual MIAMI, FL
$3,700
Apr 1, 2024
6
CASCARILLA, CHARLES
PAXOS CEO
Individual MIAMI, FL
$3,700
Apr 1, 2024
7
DOWNS, RAISSA
TARPLIN, DOWNS AND YOUNG, LLC CONSULTANT
Individual WASHINGTON, DC
$3,600
Dec 12, 2024
8
SCARAMUCCI, ANTHONY
SKYBRIDGE MANAGING PARTNER
Individual PLANDOME, NY
$3,435
Jul 30, 2024
9
HOBART, ROBERT
VENTURE GOVERNMENT STRATEGIES CONSULTANT
Individual NASHVILLE, TN
$3,435
Aug 5, 2024
10
HOLDING, KATHLEEN MS.
SUNLIGHT RANCH CO. EXECUTIVE
Individual DAYTON, WY
$3,300
Dec 6, 2023

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

ID: C001114

Top Contributors

10

1
MATCH-E-BE-NASH-SHE-WISH BAND OF POTTAWATOMI INDIANS
Organization SHELBYVILLE, MI
$3,300
Oct 28, 2024
2
DORIS DORIS LLC
Organization DETROIT, MI
$3,300
Jun 28, 2024
3
DORIS DORIS LLC
Organization DETROIT, MI
$3,300
Jun 28, 2024
4
MASHANTUCKET (WESTERN) PEQUOT TRIBE
Organization MASHANTUCKET, CT
$3,300
Sep 26, 2023
5
POKAGON BAND OF POTAWATOMI INDIANS
Organization DOWAGIAC, MI
$3,300
Sep 26, 2023
6
TRIBAL OPERATIONS
Organization MT PLEASANT, MI
$2,000
Sep 26, 2023
7
CASTLEMEADOW LLC
Organization DEWITT, MI
$1,300
Jun 30, 2024
8
FEDERATED INDIANS OF GRATON RANCHERIA
Organization ROHNERT PARK, CA
$1,000
Aug 2, 2024
9
COWBOY PARTNERS
Organization SALT LAKE CITY, UT
$14,900
Feb 6, 2024
10
JONATHAN BULLEN LLC
Organization SALT LAKE CITY, UT
$14,900
Mar 13, 2024

Sen. Murkowski, Lisa [R-AK]

ID: M001153

Top Contributors

10

1
MUCKLESHOOT INDIAN TRIBE
Organization AUBURN, WA
$3,300
May 15, 2023
2
THE CHICKASAW NATION
Organization ADA, OK
$2,500
Dec 20, 2023
3
MUCKLESHOOT INDIAN TRIBE
Organization AUBURN, WA
$1,000
Nov 20, 2024
4
SHAKOPEE MDEWAKANTON SIOUX COMMUNITY
Organization PRIOR LAKE, MN
$1,000
Oct 26, 2023
5
SHAKOPEE MDEWAKANTON SIOUX COMMUNITY
Organization PRIOR LAKE, MN
$1,000
Jun 3, 2024
6
PUYALLUP TRIBE OF INDIANS
Organization TACOMA, WA
$1,000
Sep 30, 2024
7
SUQUAMISH INDIAN TRIBE
Organization SUQUAMISH, WA
$1,000
Sep 30, 2024
8
TOHONO O'ODHAM NATION
Organization SELLS, AZ
$1,000
Aug 9, 2024
9
CHOCTAW NATION OF OKLAHOMA
Organization DURANT, OK
$550
Oct 26, 2023
10
SEGAL, PAUL
LS POWER DEVELOPMENT, LLC CHIEF EXECUTIVE OFFICER
Individual NEW 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.

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Showing 29 nodes and 39 connections

Total contributions: $1,165,597

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

Showing top 18 donors by contribution amount

3 PACs14 Orgs1 Committee