H.R. 2140 · House bill · 119th Congress

Diesel Emissions Reduction Act of 2025

Sponsored by Rep. Doris Matsui, California with 3 co-sponsors

Introduced Mar 14, 2025

Referred to the Energy and Commerce Committee

Latest action Sep 16, 2026

SponsorRep. Doris Matsui, California· 3 cosponsorsRep. Ken Calvert, CaliforniaRep. Chellie Pingree, Maine

Show 1 more cosponsor

RepublicanRep. Nicholas Langworthy, New York

What the bill does

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.

Summary by the Congressional Research Service, Apr 6, 2026.

Read the bill

About 41 words

Contents

Sec. 1. Short title

This Act may be cited as the “Diesel Emissions Reduction Act of 2025”.

Sec. 2. Reauthorization of diesel emissions reduction act

Section 797(a) of the Energy Policy Act of 2005 (42 U.S.C. 16137(a)) is amended by striking “2024” and inserting “2029”.

Official text, Placed on Calendar Senate (Sep 16, 2026), from the Government Publishing Office via Congress.gov. Printed version (PDF) · All versions on Congress.gov

What the bill does

Summary by the Congressional Research Service, Apr 6, 2026.