H.R. 2140House bill · 119th CongressIn the Senatecrossed party linesEnvironmental Protection

Diesel Emissions Reduction Act of 2025

Sponsored byDoris O. MatsuiD-CA-7Introduced Mar 14, 2025Full text on congress.gov ↗

Latest action (Sep 16, 2026) — Received in the Senate. Read twice. under General Orders. Calendar No. 624.

What it does

Congressional Research Service, Mar 14, 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.

Face Value

as reported to the House
100Narrow

How much of this bill its name accounts for.

  • Every bill starts at100
  • Nothing counted against it: one area of law, and short enough that length doesn't register.

Face Value measures reach, not honesty. A big bill can be accurately named, and a low score is not an accusation — it means the contents reach further than any short title could describe. Count it yourself ↗ How this is worked out

What Congress did

1 recorded
  • On decisive vote

    House · Sep 15, 2026

    A fast-track vote: no amendments, short debate, and two thirds needed to pass. Used for bills expected to be uncontroversial.

    343 – 79

    Passed

    Every vote →

Who lobbied on this

2 organizations

These organizations told Congress, in their own quarterly disclosures, that they were lobbying on this bill.

  • Caterpillar Inc.no position stated
    “…H.R. 2140 Diesel Emissions Reduction Act (entire bills) General discussions related to air permitting issues (no bill number)” filing ↗
  • Cummins Inc.no position stated
    “Diesel Emissions Reduction Act- H.R.…” filing ↗

Most filings say only that an organization lobbied on a bill, not which side it took — where that's the case we say so rather than guessing. Quotes are verbatim from the filing. How this is built.

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