Extends the authorization of the diesel emissions reduction program in the Energy Policy Act of 2005 by changing its end year from 2024 to 2029.

Official title: Diesel Emissions Reduction Act of 2025

Next stop Senate: awaiting action

Timeline each lane is a chamber; dates pull from congress.gov actions

House

Introduced 14-MAR-2025

Referred 14-MAR-2025

Reported 14-SEP-2026

On the calendar 14-SEP-2026

Passed 15-SEP-2026

Senate

Received 16-SEP-2026

Key points

Changes the final year of funding authorization in Section 797(a) of the Energy Policy Act of 2005 from 2024 to 2029
Makes no other changes to the program's terms in the source text
Titled the Diesel Emissions Reduction Act of 2025

AI-generated from the Placed on Calendar Senate text of 16-SEP-2026 · verify · report an error

Official CRS summary

Covers an older version. The newest CRS summary describes the bill as of "Introduced in House" (14-MAR-2025); the text has changed since (Engrossed in House, 15-SEP-2026).

CRS is the Library of Congress's nonpartisan research office. Read it on congress.gov

Committee referrals (2)

Energy and Commerce Committee (House)
Environment Subcommittee

Policy area

Environmental Protection

Sponsor Doris O. Matsui (D-CA) Cosponsors · 3

■ 2 R■ 1 D

2 Republicans

1 Democrat

Chellie Pingree

congress.gov page Placed on Calendar Senate (16-SEP-2026) Engrossed in House (15-SEP-2026) Reported in House (14-SEP-2026) Introduced in House (14-MAR-2025) House: On motion to suspend the rules and pass the bill Agreed to, 343-79, 15-SEP-2026