Bill would extend diesel engine cleanup program through 2029

Q: Why does it matter?

Reauthorization keeps the door open for Congress to fund DERA grants in future budget bills, but it does not guarantee any new funding amounts, which are decided separately through annual appropriations.

Passed one chamberH.R. 2140Latest action Sep 16, 2026

Sponsor: Doris O. Matsui · Representative · CA

AIDecoded by AI · checked against the record

Read the official text

Official title: Diesel Emissions Reduction Act of 2025

119th Congress

Topics: Environment & energy

Introduced: March 14, 2025

Read the official bill on Congress.gov

In plain words

The plain-language version comes first. The official text is always the reference.

HR 2140 extends the EPA's DERA diesel-engine-upgrade grant program from a 2024 expiration to 2029.

35-second read · 4 questions answered below

What does this do?

This bill changes DERA's expiration date in federal law from 2024 to 2029, allowing the program to keep operating. It does not create new rules, spend money directly, or alter how the program works; it only keeps the program legally authorized.

Who does it affect?

It affects local governments, school districts, trucking companies, ports, and construction firms that apply for DERA grants to upgrade old diesel engines. It also affects communities near highways, ports, and rail yards where diesel pollution concentrates.

Why does it matter?

keeps the door open for Congress to fund DERA grants in future budget bills, but it does not guarantee any new funding amounts, which are decided separately through annual .

AI-drafted summary. Check it against the official text before you act on it.

Read the official bill on Congress.gov

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IntroducedMar 14, 2025
House committee
House vote
SenateYou are here · Sep 16, 2026
The president's desk

Right now: it passed the House, and the official record shows nothing new since. If the Senate changes it, it goes back to the House before reaching the president.

Latest action: September 16, 2026 — Received in the Senate. Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 624.

Recorded votes

Roll-call votes recorded since January 3, 2025.

House · September 15, 2026 · Roll call 304
As recorded
Question
On Motion to and Pass
Result:
Passed
343
Nay
79
0
10
Republicans 130 yes, 79 no, 8 not voting · Democrats 212 yes, 2 not voting · Independent 1 yes
Official record
How members voted
The official record lists how each member voted.Official record

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How it's being covered

Coverage of this bill from across the press. Each outlet's political lean is labeled where AllSides has rated it, and marked "Not rated" where it has not.

Newest of these articles: Sep 18, 2026

electrek.co
Not rated
DERA LIVES! House votes to fund Diesel Emissions Reduction Act through 2029
Sep 18, 2026
“This week, the US House of Representatives voted overwhelmingly in a bipartisan vote to renew funding for the Diesel Emissions...” — electrek.co
markets.businessinsider.com
Not rated
Engine Technology Forum Praises House Energy and Commerce Committee for Passing Reauthorization of the Diesel Emissions Reduction Act
Sep 2, 2026
“Washington, DC, Sept. 02, 2026 (GLOBE NEWSWIRE) -- The Engine Technology Forum (ETF) today praised the House Energy and Commerce Committee’s pas...” — markets.businessinsider.com

Lean labels describe the news outlet, not this bill or any party. Ratings by AllSides.