119th Congress · introduced in the House · Mar 14, 2025
Diesel Emissions Reduction Act of 2025
Official title from Congress.gov
Latest action (Sep 16, 2026): Received in the Senate. Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 624.
View on Congress.govPolicy area: Environmental Protection
Congressional Research Service summary, version: Introduced in House (Mar 14, 2025)
Diesel Emissions Reduction Act of 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.
Includes amendment, cloture, and procedural votes. Each is labeled with its exact question; only a passage question is a vote to pass the bill.
House · Sep 15, 2026 · Roll call 304 · Passed
Received in the Senate. Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 624.
Motion to reconsider laid on the table Agreed to without objection.
On motion to suspend the rules and pass the bill Agreed to by the Yeas and Nays: (2/3 required): 343 - 79 (Roll no. 304). (text: CR H5679) Roll call details
Passed/agreed to in House: On motion to suspend the rules and pass the bill Agreed to by the Yeas and Nays: (2/3 required): 343 - 79 (Roll no. 304). Roll call details
Considered as unfinished business. (consideration: CR H5824)
At the conclusion of debate, the Yeas and Nays were demanded and ordered. Pursuant to the provisions of clause 8, rule XX, the Chair announced that further proceedings on the motion would be postponed.
DEBATE - The House proceeded with forty minutes of debate on H.R. 2140.
Considered under suspension of the rules. (consideration: CR H5679-5680)
Mr. Guthrie moved to suspend the rules and pass the bill.
Placed on the Union Calendar, Calendar No. 718.
Reported by the Committee on Energy and Commerce. H. Rept. 119-819.
Reported by the Committee on Energy and Commerce. H. Rept. 119-819.
Forwarded by Subcommittee to Full Committee by Voice Vote.
Subcommittee Consideration and Mark-up Session Held
Air quality · Climate change and greenhouse gases · Motor fuels · Motor vehicles
LD-2 reports whose issue descriptions explicitly cite this bill (bill type and number validated against Congress.gov records). A citation does not establish the client's position or any contact with a member.
Loading lobbying reportsReferred to the Subcommittee on Environment.
Referred to the House Committee on Energy and Commerce.
Introduced in House
Introduced in House
Actions from Congress.gov, newest first.
Coverage: reports for 2025 onward, posted Jan 1, 2025 through Oct 23, 2026.
19 citations.
CATERPILLAR INC · lobbying firm or registrant: CATERPILLAR INC.
2026 Q3 report (Jul 1, 2026 – Sep 30, 2026) · posted Oct 20, 2026 · issue area: Clean Air and Water (quality)
$1,040,000
Spent on own lobbying
…l engine emissions. S. 3135 Cold Weather Diesel Reliability Act of 2025 (entire bill). H.R. 7567 Farm, Food, and National Security Act of 2026 (Section 12422); H.R. 2140 Diesel Emissions Reduction Act (entire bill); H.R. 9618 Diesel Engine Flexibility Act (Section 3)
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
EARTHJUSTICE ACTION · lobbying firm or registrant: EARTHJUSTICE ACTION
2026 Q3 report (Jul 1, 2026 – Sep 30, 2026) · posted Oct 20, 2026 · issue area: Transportation
$142,000
Spent on own lobbying
…ng Overburdensome Commerce Obstructions and Motives (LOCOMOTIVE) Act H.R. 9618 - Diesel Engine Flexibility (DEF) Act H.R. 4790/S. 2520 - All Aboard Act of 2025 H.R. 2140 - Diesel Emissions Reduction Act of 2025 H.R 9317 - Buses Utilizing Safety and Environmental Standards (BUSES) Act H.J. Res. 210/ S.J.Res. 209 - Providing for…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
AMERICAN TRUCKING ASSOCIATIONS · lobbying firm or registrant: AMERICAN TRUCKING ASSOCIATIONS
2026 Q3 report (Jul 1, 2026 – Sep 30, 2026) · posted Oct 20, 2026 · issue area: Environment/Superfund
$650,000
Spent on own lobbying
…Preserving Choice in Vehicle Purchases Act; H.R. 2814 / S. 711 - Transportation Freedom Act; S. 990 - Freedom to Haul Act; H.R. 2218 / S. 1072 - Stop CARB Act; H.R. 2140 / S. 2235 - Diesel Emissions Reduction Act; H.R. 6250 / S. 3135 - Cold Weather Diesel Reliability Act; H.R. 1135 / S. 25 - Polluters Pay Climate Fund Act; H.R.…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
LEAGUE OF CONSERVATION VOTERS · lobbying firm or registrant: LEAGUE OF CONSERVATION VOTERS
2026 Q3 report (Jul 1, 2026 – Sep 30, 2026) · posted Oct 20, 2026 · issue area: Clean Air and Water (quality)
$220,000
Spent on own lobbying
…2027 and Later Heavy-Duty Highway Engines and Amendments to Inducement Provisions for SCR-Equipped Diesel Engines (Doc ID: EPA-HQ-OAR-2026-0728-0114) Supported H.R. 2140, the Diesel Emissions Reduction Act of 2025. Opposed H.R. 3194, the Lifting Overburdensome Commerce Obstructions and Motives (LOCOMOTIVES) Act. Opposed H.R. 93…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
SIERRA CLUB · lobbying firm or registrant: SIERRA CLUB
2026 Q3 report (Jul 1, 2026 – Sep 30, 2026) · posted Oct 14, 2026 · issue area: Fuel/Gas/Oil
$220,000
Spent on own lobbying
HOUSE: H.R. 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure under that Act, and for other purposes (Oppose) H.R. 2140: Diesel Emissions Reduction Act (Support) H.R. 9618: Diesel Engine Flexibility (DEF) Act (Oppose)
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
CATERPILLAR INC · lobbying firm or registrant: CATERPILLAR INC.
2026 Q2 report (Apr 1, 2026 – Jun 30, 2026) · posted Jul 20, 2026 · issue area: Clean Air and Water (quality)
$1,142,000
Spent on own lobbying
…l engine emissions. S. 3135 Cold Weather Diesel Reliability Act of 2025 (entire bill). H.R. 7567 Farm, Food, and National Security Act of 2026 (Section 12422); H.R. 2140 Diesel Emissions Reduction Act (entire bills) General discussions related to air permitting issues (no bill number)
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
AMERICAN TRUCKING ASSOCIATIONS · lobbying firm or registrant: AMERICAN TRUCKING ASSOCIATIONS
2026 Q2 report (Apr 1, 2026 – Jun 30, 2026) · posted Jul 20, 2026 · issue area: Environment/Superfund
$720,000
Spent on own lobbying
…Preserving Choice in Vehicle Purchases Act; H.R. 2814 / S. 711 - Transportation Freedom Act; S. 990 - Freedom to Haul Act; H.R. 2218 / S. 1072 - Stop CARB Act; H.R. 2140 / S. 2235 - Diesel Emissions Reduction Act; H.R. 6250 / S. 3135 - Cold Weather Diesel Reliability Act; S. 25 - Polluters pay Climate Fund Act; H.R. 8079 Diesel…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
SIERRA CLUB · lobbying firm or registrant: SIERRA CLUB
2026 Q2 report (Apr 1, 2026 – Jun 30, 2026) · posted Jul 14, 2026 · issue area: Fuel/Gas/Oil
$100,000
Spent on own lobbying
HOUSE: H.R. 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure under that Act, and for other purposes (Oppose) H.R. 2140: Diesel Emissions Reduction Act (Support) H.R. 9618: Diesel Engine Flexibility (DEF) Act (Oppose)
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
AMERICAN TRUCKING ASSOCIATIONS · lobbying firm or registrant: AMERICAN TRUCKING ASSOCIATIONS
2026 Q1 report (Jan 1, 2026 – Mar 31, 2026) · posted Apr 20, 2026 · issue area: Environment/Superfund
$620,000
Spent on own lobbying
…- Preserving Choice in Vehicle Purchase Act; H.R. 2814 / S. 711 - Transportation Freedom Act; S. 990 Freedom to Haul Act; H.R. 2218 / S. 1027 - Stop CARB Act; H.R. 2140 / S. 2235 - Diesel Emissions Reduction Act; H.R. 6250 / S. 3135 - Cold Weather Diesel Reliability Act; S. 25 - Polluters pay Climate Fund Act; and H.R. 2460 -…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
AMERICAN TRUCKING ASSOCIATIONS · lobbying firm or registrant: AMERICAN TRUCKING ASSOCIATIONS
2025 Q4 report (Oct 1, 2025 – Dec 31, 2025) · posted Jan 21, 2026 · issue area: Environment/Superfund
$560,000
Spent on own lobbying
…- Preserving Choice in Vehicle Purchase Act; H.R. 2814 / S. 711 - Transportation Freedom Act; S. 990 Freedom to Haul Act; H.R. 2218 / S. 1027 - Stop CARB Act; H.R. 2140 / S. 2235 - Diesel Emissions Reduction Act; H.R. 6250 / S. 3135 - Cold Weather Disel Reliability Act; S. 25 - Polluters pay Climate Fund Act; and H.R. 2460 - E…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
AMERICAN TRUCKING ASSOCIATIONS · lobbying firm or registrant: AMERICAN TRUCKING ASSOCIATIONS
2025 Q3 report (Jul 1, 2025 – Sep 30, 2025) · posted Oct 20, 2025 · issue area: Environment/Superfund
$620,000
Spent on own lobbying
…- Preserving Choice in Vehicle Purchase Act; H.R. 2814 / S. 711 - Transportation Freedom Act; S. 990 Freedom to Haul Act; H.R. 2218 / S. 1027 - Stop CARB Act; H.R. 2140 - Diesel Emissions Reduction Act; S. 25 - Polluters pay Climate Fund Act; H.R. 2460 - Eliminating the RFS and its Destructive Outcomes Act; Environmental issue…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
ENGINE MANUFACTURERS ASSOCIATION · lobbying firm or registrant: CROWELL & MORING LLP
2025 Q2 report (Apr 1, 2025 – Jun 30, 2025) · posted Jul 21, 2025 · issue area: Trucking/Shipping
Amount not reported
Issues related to Surface Transportation Reauthorization; H.R. 2140, Diesel Emissions Reduction Act of 2025
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. View filing
CUMMINS INC · lobbying firm or registrant: CUMMINS, INC.
2025 Q2 report (Apr 1, 2025 – Jun 30, 2025) · posted Jul 21, 2025 · issue area: Transportation
$521,879
Spent on own lobbying
Diesel Emissions Reduction Act- H.R. 2140; Low Carbon Fuels policy- No Bill; Surface Transportation Reauthorization-No Bill; Transportation Freedom Act Titles 2 and 4-S.711; Commercial vehicle emission…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
CUMMINS INC · lobbying firm or registrant: CUMMINS, INC.
2025 Q2 report (Apr 1, 2025 – Jun 30, 2025) · posted Jul 21, 2025 · issue area: Clean Air and Water (quality)
$521,879
Spent on own lobbying
Diesel Emissions Reduction Act- H.R. 2140; Low Carbon Fuels policy- No Bill; Surface Transportation Reauthorization-No Bill; Transportation Freedom Act Titles 2 and 4-S.711; Commercial vehicle emission…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
CUMMINS INC · lobbying firm or registrant: CUMMINS, INC.
2025 Q2 report (Apr 1, 2025 – Jun 30, 2025) · posted Jul 21, 2025 · issue area: Energy/Nuclear
$521,879
Spent on own lobbying
Diesel Emissions Reduction Act- H.R. 2140; Low Carbon Fuels policy- No Bill; Surface Transportation Reauthorization-No Bill; Transportation Freedom Act Titles 2 and 4-S.711; Commercial vehicle emission…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
AMERICAN TRUCKING ASSOCIATIONS · lobbying firm or registrant: AMERICAN TRUCKING ASSOCIATIONS
2025 Q2 report (Apr 1, 2025 – Jun 30, 2025) · posted Jul 21, 2025 · issue area: Environment/Superfund
$740,000
Spent on own lobbying
…- Preserving Choice in Vehicle Purchase Act; H.R. 2814 / S. 711 - Transportation Freedom Act; S. 990 Freedom to Haul Act; H.R. 2218 / S. 1027 - Stop CARB Act; H.R. 2140 - Diesel Emissions Reduction Act; S. 25 - Polluters pay Climate Fund Act; H.R. 2460 - Eliminating the RFS and its Destructive Outcomes Act; S. 25 - Polluters P…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
AMERICAN TRUCKING ASSOCIATIONS · lobbying firm or registrant: AMERICAN TRUCKING ASSOCIATIONS
2025 Q1 report (Jan 1, 2025 – Mar 31, 2025) · posted Apr 21, 2025 · issue area: Environment/Superfund
$720,000
Spent on own lobbying
…. 346 / S. 996 - Preserving Choice in Vehicle Purchase Act S. 711 - Transportation Freedom Act S. 990 Freedom to Haul Act; H.R. 2218 / S. 1027 - Stop CARB Act; H.R. 2140 - Diesel Emissions Reduction Act; S. 25 - Polluters pay Climate Fund Act; and H.R. 2460 - Eliminating the RFS and its Destructive Outcomes Act; H.J. Res 26 - d…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
ENGINE MANUFACTURERS ASSOCIATION · lobbying firm or registrant: CROWELL & MORING LLP
2025 Q1 report (Jan 1, 2025 – Mar 31, 2025) · posted Apr 21, 2025 · issue area: Trucking/Shipping
$30,000
Paid to lobbying firm
Issues related to Surface Transportation Reauthorization; H.R. 2140, Diesel Emissions Reduction Act of 2025
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing
CUMMINS INC · lobbying firm or registrant: CUMMINS, INC.
2025 Q1 report (Jan 1, 2025 – Mar 31, 2025) · posted Apr 21, 2025 · issue area: Transportation
$600,291
Spent on own lobbying
Diesel Emissions Reduction Act- H.R. 2140; Inflation Reduction Act of 2022 Implementation- No Bill; Low Carbon Fuels policy- No Bill; Infrastructure Investment and Jobs Act Implementation- No Bill; Sur…
Congress inferred from the report year; bill number and the title cited with it match Congress.gov records, and the bill predates the report. The amount is lobbying spending for every issue on this report, not this bill alone, and none of it is paid to any member of Congress. View filing