H.R. 2140 · 119th Congress

Diesel Emissions Reduction Act of 2025

Introduced on Mar 14, 2025 by Doris O. Matsui (D-CA-7). 3 cosponsors, 2 of them from another party. Latest action (Sep 16, 2026): Received in the Senate. Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 624.

Stage
Passed one chamber
Introduced
Mar 14, 2025
Cosponsors
3
2 from the other party
Policy area
Environmental Protection
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Progress

The furthest stage the measure reached. Simple and concurrent resolutions do not go to the President.

  1. Introduced
  2. Reported by committee
  3. Passed one chamber
  4. 4Passed both chambers
  5. 5Sent to the President
  6. 6Became law

Official title

To amend the Energy Policy Act of 2005 to reauthorize the diesel emissions reduction program.

Subjects

  • Air quality
  • Climate change and greenhouse gases
  • Motor fuels
  • Motor vehicles

Summary

By the Congressional Research Service (Introduced in House, Mar 14, 2025). Public domain.

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.

Sponsor and cosponsors

Cosponsors by party as of the day they signed on. Original cosponsors signed on the day of introduction.

Doris O. MatsuiD-CA-7Sponsor

Democrats · 1

Republicans · 2

Roll calls

Recorded votes on the measure. Most measures move by voice vote or unanimous consent, which record no individual positions.

  1. On Motion to Suspend the Rules and Pass
    Sep 15, 2026· House· Passage· Passed 343–79

History

Every action as published, oldest first. Roll calls link to how each member voted.

  1. Mar 14, 2025Introduced in House
  2. Mar 14, 2025Introduced in House
  3. Mar 14, 2025 · HouseReferred to the House Committee on Energy and Commerce.
  4. Mar 14, 2025 · HouseReferred to the Subcommittee on Environment.
  5. Jul 14, 2026 · HouseSubcommittee Consideration and Mark-up Session Held
  6. Jul 14, 2026 · HouseForwarded by Subcommittee to Full Committee by Voice Vote.
  7. Sep 14, 2026Reported by the Committee on Energy and Commerce. H. Rept. 119-819.
  8. Sep 14, 2026 · HouseReported by the Committee on Energy and Commerce. H. Rept. 119-819.
  9. Sep 14, 2026 · HousePlaced on the Union Calendar, Calendar No. 718.
  10. Sep 15, 2026 · HouseMr. Guthrie moved to suspend the rules and pass the bill.
  11. Sep 15, 2026 · HouseConsidered under suspension of the rules. (consideration: CR H5679-5680)
  12. Sep 15, 2026 · HouseDEBATE - The House proceeded with forty minutes of debate on H.R. 2140.
  13. Sep 15, 2026 · HouseAt the conclusion of debate, the Yeas and Nays were demanded and ordered. Pursuant to the provisions of clause 8, rule XX, the Chair announced that further proceedings on the motion would be postponed.
  14. Sep 15, 2026 · HouseConsidered as unfinished business. (consideration: CR H5824)
  15. Sep 15, 2026Passed/agreed to in House: On motion to suspend the rules and pass the bill Agreed to by the Yeas and Nays: (2/3 required): 343 - 79 (Roll no. 304).House · Roll call 304
  16. Sep 15, 2026 · HouseOn motion to suspend the rules and pass the bill Agreed to by the Yeas and Nays: (2/3 required): 343 - 79 (Roll no. 304). (text: CR H5679)House · Roll call 304
  17. Sep 15, 2026 · HouseMotion to reconsider laid on the table Agreed to without objection.
  18. Sep 16, 2026 · SenateReceived in the Senate. Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 624.

Committees

Committees and subcommittees the measure was referred to.

Agencies in its committees' jurisdiction

Analisa's mapping of committee jurisdiction to federal agencies; the bill may touch others, or none of these.

Who lobbied on it

Organizations whose lobbying reports (LD-2) name this measure. Spending is what they reported for those quarters on all issues, not on this measure alone.

  1. AMERICAN LUNG ASSOCIATION7 reports
    $1.1M reported (all issues)
  2. AMERICAN TRUCKING ASSOCIATIONS INC.6 reports
    $4M reported (all issues)
  3. CUMMINS INC.2 reports
    $1.1M reported (all issues)Federal contractor: CUMMINS INC$11.3M in contracts, FY2026AI match · 99%
  4. Engine Manufacturers Association2 reports
    $30K reported (all issues)
  5. CATERPILLAR INC.1 report
    $1.1M reported (all issues)Federal contractor: CATERPILLAR INC$188.3M in contracts, FY2026AI match · 100%
  6. Sierra Club1 report
    $100K reported (all issues)

Reports filed in 2025, 2026.

Sources and method

Every figure on this page traces to these records.

  • Bill status: bills and resolutions, sponsors, actions, subjects and CRS summaries (U.S. Government Publishing Office (GovInfo), from Congress.gov (Library of Congress))GovInfo Bill Status bulk data (Congress.gov; summaries by the Congressional Research Service) · data current to Oct 6, 2026 · loaded Oct 6, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
  • House roll-call votes (Office of the Clerk, U.S. House of Representatives)Office of the Clerk, U.S. House of Representatives, roll-call vote records · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Senate roll-call votes and DW-NOMINATE scores (Voteview (UCLA Department of Political Science))Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/ · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Free to use with the required citation
  • Lobbying disclosures (LD-1 registrations, LD-2 quarterly reports, LD-203 contribution reports) (Clerk of the U.S. House of Representatives)Clerk of the House, Lobbying Disclosure Act filings (organizations only; lobbyists' names are not loaded) · data current to Oct 6, 2026 · loaded Oct 6, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
  • Positions are shown only where a roll call recorded them; voice votes and unanimous consent record none.
  • Money and votes are shown side by side; neither explains the other.