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Cold Weather Diesel Reliability Act of 2026
Legislative Progress
Momentum (last 30 days)
0
score
0 actions · 0 new cosponsors · 0 votes
Speed vs cohort
96pct
314d open
vs 5,674 other S bills in the 119th — cohort avg 32d
No CRS summary is available for this bill yet. The source title, actions, sponsors, and text versions below come from Congress.gov.
These links require the bill number to appear in the filing's source-reported specific issue text. Client expenses and lobbying-firm income are separate disclosure fields.
Filing registrants (6)
2026 · third_quarter · Clean Air and Water (quality)
Placed on Senate Legislative Calendar under General Orders. Calendar No. 619.
Committee on Environment and Public Works. Reported by Senator Capito with an amendment in the nature of a substitute. Without written report.
Committee on Environment and Public Works. Ordered to be reported with an amendment in the nature of a substitute favorably.
Committee on Environment and Public Works. Hearings held. Hearings printed: S.Hrg. 119-407.
Read twice and referred to the Committee on Environment and Public Works.
Introduced in Senate
Bills with similar content found using semantic analysis.
Sources: Congress.gov
Discussions related to diesel 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)
Client expense: $1,040,000 · Firm income: Not reported
Government targets: HOUSE OF REPRESENTATIVES, SENATE
2026 · third_quarter · Transportation
Infrastructure Investment and Jobs Act (PL 117-58); Permitting reform; Biofuels; H.R. 3935, the FAA Reauthorization Act of 2024; Surface Transportation Reauthorization; S. 3135/H.R. 6250, the Cold Weather Diesel Reliability Act of 2025; H.R. 9618, DEF Act
Client expense: $290,000 · Firm income: Not reported
Government targets: HOUSE OF REPRESENTATIVES, SENATE
2026 · third_quarter · Environment/Superfund
H.R. 346 / S. 996 - 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. 8079 / S. 3007 - Diesel Truck Liberation Act; H.R. 2460 - Eliminating the RFS and Its Destructive Outcomes Act; and H.R. 9618 - Diesel Engine Flexibility Act. Environmental issues related to Hazardous Materials, Air Quality, Vehicle Emissions, Diesel Issues (retrofits), Motor Carriers, Biodiesel/Renewable Diesel, EPA SmartWay Voluntary Program, GHG/FE Phase 3.
Client expense: $650,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), Federal Highway Administration (FHA), HOUSE OF REPRESENTATIVES, SENATE, White House Office
2026 · third_quarter · Environment/Superfund
Issues pertaining to heavy-duty nitrogen oxides emissions; H.R. 6250, Cold Weather Diesel Reliability Act of 2025, all provisions; S. 3135, Cold Weather Diesel Reliability Act of 2026, all provisions; H.R. 8079, Diesel Truck Liberation Act of 2026, all provisions; S. 3007, Diesel Truck Liberation Act of 2025, all provisions.
Client expense: $470,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, SENATE
2026 · third_quarter · Clean Air and Water (quality)
BUILD America 250 Act- H.R. 8870; Commercial vehicle emissions regulations- No Bill; Commercial vehicle fuel efficiency regulations- No Bill; REPAIR Act- H.R. 1566; Cold Weather Diesel Reliability Act of 2025- S. 3135 and HR. 6250; SPEED Act- H.R. 4776; Bipartisan American Affordability and Jobs Act of 2026- S. 5653; Diesel Engine Flexibility Act- H.R. 9618; PLOW Storms Act- H.R. 8782; Diesel Truck Liberation Act- H.R. 8079, S.3007; Farm Equipment Safety Act- H.R. 7849; Battery policy- No Bill
Client expense: $550,157 · Firm income: Not reported
Government targets: Energy, Dept of, Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, Natl Highway Traffic Safety Administration (NHTSA), SENATE, White House Office
2026 · third_quarter · Transportation
BUILD America 250 Act- H.R. 8870; Commercial vehicle emissions regulations- No Bill; Commercial vehicle fuel efficiency regulations- No Bill; REPAIR Act- H.R. 1566; Cold Weather Diesel Reliability Act of 2025- S. 3135 and H.R. 6250; Diesel Engine Flexibility Act- H.R. 9618; PLOW Storms Act- H.R. 8782; Diesel Truck Liberation Act of 2026- H.R. 8079, S.3007; Battery policy- No Bill; Connected Vehicle Security Act- S.4429
Client expense: $550,157 · Firm income: Not reported
Government targets: Energy, Dept of, Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, Natl Highway Traffic Safety Administration (NHTSA), SENATE, White House Office
2026 · third_quarter · Environment/Superfund
H.R 6250/S. 3135, Cold Weather Diesel Reliability Act Emissions Regulations
Client expense: $810,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, SENATE
2026 · second_quarter · Clean Air and Water (quality)
Discussions related to diesel 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)
Client expense: $1,142,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, SENATE
2026 · second_quarter · Environment/Superfund
H.R. 346 / S. 996 - 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 Truck Liberation Act; H.R. 2460 - Eliminating the RFS and its Destructive Outcomes Act; H.R. 8497 / S. 4408 - Supporting Energy and Economic Development (SEED) Act; and (House Draft) - Monitoring Flexibility Act. Environmental issues related to Hazardous Materials, Air Quality, Vehicle Emissions, Diesel Issues (retrofits), Motor Carriers, Biodiesel/Renewable Diesel, EPA SmartWay Voluntary Program, GHG/FE Phase 3
Client expense: $720,000 · Firm income: Not reported
2026 · second_quarter · Environment/Superfund
H.R 6250/S. 3135, Cold Weather Diesel Reliability Act Emissions Regulations
Client expense: $640,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, SENATE
2026 · second_quarter · Transportation
BUILD America 250 Act- H.R. 8870; Commercial vehicle emissions regulations- No Bill; Commercial vehicle fuel efficiency regulations- No Bill; REPAIR Act- H.R. 1566; Cold Weather Diesel Reliability Act of 2025-H.R. 6250, S. 3135; DEF Monitoring Flexibility Act- H.R. 9618; PLOW Storms Act- H.R. 8782; Diesel Truck Liberation Act of 2026- H.R. 8079, S. 3007; DRIVER Act- H.R. 6687; Connected Vehicle Security Act of 2026-S. 4429; Battery Policy- No Bill; Farm Equipment Safety Act- H.R. 7849
Client expense: $521,908 · Firm income: Not reported
Government targets: Commerce, Dept of (DOC), Energy, Dept of, Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, Natl Highway Traffic Safety Administration (NHTSA), SENATE, Small Business Administration (SBA), Transportation, Dept of (DOT), White House Office
2026 · second_quarter · Clean Air and Water (quality)
BUILD America 250 Act- H.R. 8870; Commercial vehicle emissions regulations- No Bill; Commercial vehicle fuel efficiency regulations- No Bill; Right to Repair- H.R. 1566; Cold Weather Diesel Reliability Act of 2025- H.R. 6250, S. 3135; SPEED Act- H.R. 4776; DEF Monitoring Flexibility Act- H.R. 9618; PLOW Storms Act- H.R. 8782; Diesel Truck Liberation Act-H.R. 8079, S.3007; Farm Equipment Safety Act- H.R. 7849; Battery Policy- No Bill
Client expense: $521,908 · Firm income: Not reported
Government targets: Energy, Dept of, Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, Natl Highway Traffic Safety Administration (NHTSA), SENATE, Small Business Administration (SBA), Transportation, Dept of (DOT), White House Office
2026 · second_quarter · Transportation
Infrastructure Investment and Jobs Act (PL 117-58); Permitting reform; Biofuels; H.R. 3935, the FAA Reauthorization Act of 2024; Surface Transportation Reauthorization; S. 3135/H.R. 6250, the Cold Weather Diesel Reliability Act of 2025; H.R. 9618, DEF Act
Client expense: $280,000 · Firm income: Not reported
Government targets: HOUSE OF REPRESENTATIVES, SENATE
2026 · second_quarter · Environment/Superfund
Issues pertaining to heavy-duty truck emissions; H.R. 6250, Cold Weather Diesel Reliability Act of 2025, all provisions; S. 3135, Cold Weather Diesel Reliability Act of 2025, all provisions; H.R. 8079, Diesel Truck Liberation Act of 2026, all provisions; S. 3007, Diesel Truck Liberation Act of 2025, all provisions.
Client expense: $430,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, SENATE
2026 · first_quarter · Clean Air and Water (quality)
Discussions related to diesel engine emissions control. S. 3135 Cold Weather Diesel Reliability Act of 2025. (entire bill) Discussions related to air permitting issues
Client expense: $1,680,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, SENATE
2026 · first_quarter · Environment/Superfund
H.R. 346 / S. 996 - 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 - Eliminating the RFS and its Destructive Outcomes Act. Environmental issues related to Hazardous Materials, Air Quality, Vehicle Emissions, Diesel Issues (retrofits), Motor Carriers, Biodiesel/Renewable Diesel, EPA SmartWay Voluntary Program, GHG/FE Phase 3
Client expense: $620,000 · Firm income: Not reported
2026 · first_quarter · Clean Air and Water (quality)
Surface Transportation Reauthorization-No Bill; Commercial vehicle emissions regulations- No Bill; Commercial vehicle fuel efficiency regulations- No Bill; Right to Repair-H.R. 1566; Cold Weather Diesel Reliability Act of 2025-S. 3135 and H.R. 6250; Permitting Reform-H.R. 4776, CRISI Grants-Infrastructure Investment and Jobs Act Implementation - No Bill
Client expense: $689,612 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), Federal Railroad Administration, HOUSE OF REPRESENTATIVES, Natl Highway Traffic Safety Administration (NHTSA), SENATE
2026 · first_quarter · Transportation
Surface Transportation Reauthorization-No Bill; Commercial vehicle emissions regulations- No Bill; Commercial vehicle fuel efficiency regulations- No Bill; Right to Repair-H.R. 1566; Cold Weather Diesel Reliability Act of 2025-S. 3135 and H.R. 6250; CRISI Grants-Infrastructure Investment and Jobs Act Implementation - No Bill
Client expense: $689,612 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), Federal Railroad Administration, HOUSE OF REPRESENTATIVES, Natl Highway Traffic Safety Administration (NHTSA), SENATE
2026 · first_quarter · Transportation
Infrastructure Investment and Jobs Act (PL 117-58); Permitting reform; Biofuels; H.R. 3935, the FAA Reauthorization Act of 2024; Surface Transportation Reauthorization; S. 3135/H.R. 6250, the Cold Weather Diesel Reliability Act of 2025
Client expense: $350,000 · Firm income: Not reported
Government targets: HOUSE OF REPRESENTATIVES, SENATE
2026 · first_quarter · Environment/Superfund
Issues pertaining to heavy-duty truck emissions; S. 3135, Cold Weather Diesel Reliability Act of 2025, all provisions.
Client expense: $450,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), SENATE
2026 · first_quarter · Environment/Superfund
H.R 6250/S. 3135, Cold Weather Diesel Reliability Act Emissions Regulations
Client expense: $740,000 · Firm income: Not reported
Government targets: Environmental Protection Agency (EPA), HOUSE OF REPRESENTATIVES, SENATE
2025 · fourth_quarter · Environment/Superfund
H.R. 346 / S. 996 - 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 - Eliminating the RFS and its Destructive Outcomes Act. Environmental issues related to Hazardous Materials, Air Quality, Vehicle Emissions, Diesel Issues (retrofits), Motor Carriers, Biodiesel/Renewable Diesel, EPA SmartWay Voluntary Program, GHG/FE Phase 3
Client expense: $560,000 · Firm income: Not reported
| Senate |
| Referred To |
| November 6, 2025 |
| Environment and Public Works Committee | Senate | Referred To | November 6, 2025 |
Government targets: Environmental Protection Agency (EPA), Federal Highway Administration (FHA), HOUSE OF REPRESENTATIVES, SENATE, White House Office
Government targets: Environmental Protection Agency (EPA), Federal Highway Administration (FHA), HOUSE OF REPRESENTATIVES, SENATE, White House Office
Government targets: Environmental Protection Agency (EPA), Federal Highway Administration (FHA), HOUSE OF REPRESENTATIVES, SENATE, White House Office