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Diesel Emissions Reduction Act of 2025 (H.R. 2140)

Introduced
Introduced 3/14/2025•119th Congress•House

Latest Action

Received in the Senate. Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 624.

9/16/2026 • Senate

Summary

Diesel Emissions Reduction Act of 2025

This bill reauthorizes through FY2029 a diesel emissions reduction program under which the Environmental Protection Agency provides grants, rebates, or loans for replacing diesel engines or retrofitting the engines with pollution control technologies.

Introduced in House • 3/14/2025

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Topics & Subjects

Air qualityClimate change and greenhouse gasesMotor fuelsMotor vehicles

Related Federal Spending

Sponsor & Cosponsors (4)

Party Breakdown

2
Democrats
2
Republicans
0
Independents

Sponsor

R[
Rep. Matsui, Doris O. [D-CA-7]

Democrat • CA-7

Sponsored 3/14/2025

Cosponsors (3)

R[
Rep. Calvert, Ken [R-CA-41]

R-CA-41

Joined 3/14/2025

R[
Rep. Pingree, Chellie [D-ME-1]

D-ME-1

Joined 3/14/2025

Bill Journey

Originated in the House

Introduced

March 14, 2025

Committee Review

July 14, 2026

Forwarded by Subcommittee to Full Committee by Voice Vote.

Floor Debate

September 15, 2026

Passed Chamber

September 15, 2026

Other Chamber

President

Enacted into Law

Text Versions (4)

Placed on Calendar Senate9/16/2026
Engrossed in House9/15/2026
Reported in House9/14/2026
Introduced in House3/14/2025

Committee Reports (1)

Details

Bill TypeHR
Current StatusIntroduced
Cosponsors3

Sources and method

· Record updated Sep 24, 2026
  • Congress.govLibrary of Congress
    Status, actions, sponsors, cosponsors, committees and text
    Record updated Sep 24, 2026 · Loaded Oct 30, 2026, 11:08 AM ET
  • CRS bill summaryCongressional Research Service, via Congress.gov
    Official summary
    Summary of the “Introduced in House” version, Mar 14, 2025 · Loaded Oct 30, 2026, 11:08 AM ET
  • House roll-call votesOffice of the Clerk, U.S. House of Representatives
    Roll-call results on this bill
    Latest roll call Sep 15, 2026 · Loaded Oct 30, 2026, 11:08 AM ET
  • USAspending.govU.S. Department of the Treasury
    Related Federal Spending section
  • FEC filingsFederal Election Commission
    Funding & Lobbying section
  • Lobbying disclosures (LDA)Secretary of the Senate and Clerk of the House
    Funding & Lobbying section

All sources: Public domain (17 U.S.C. § 105) · Method: Data sources → · Campaign finance →

AI-written text on this page is labeled where it appears. It is written from the sources above and is not a source itself. How we analyze data →

Dates shown where the source reports one. “Loaded” is when CIV.IQ last fetched the record.