H.R. 2140, the Diesel Emissions Reduction Act of 2025, passed the House on September 15, 2026.
H.R. 2140 — Diesel Emissions Reduction Act of 2025
What it does
This bill extends the Diesel Emissions Reduction Program, a federal initiative that funds projects to reduce emissions from diesel engines, by five years—from an expiration date of 2024 to 2029. The program provides grants and incentives for retrofitting, replacing, or repowering diesel vehicles and equipment to cut air pollution.
Quorum's transparency scan found no buried provisions in Diesel Emissions Reduction Act of 2025.
What happens next
H.R. 2140 passed the House. It now moves to the other chamber.
Who is behind it
Filed by Doris Matsui. Cosponsored by Chellie Pingree, Ken Calvert and Nicholas Langworthy.
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