The bill
Diesel Emissions Reduction Act of 2025
S. 2235, 119th Congress — read as touching Surface Transportation.
Sponsored by
Sen. Whitehouse, Sheldon [D-RI]
ID: W000802
Follow the money
The bill
S. 2235, 119th Congress — read as touching Surface Transportation.
The sponsor
Every bill has someone who introduced it. That name is where the paper trail starts.
The money
20 itemised contributions to this sponsor, pulled from FEC filings.
The alignment
This bill's text tracks the "Environmental Protection Agency" section, p. 458-460 of the Mandate for Leadership.
Track this bill's progress through the legislative process
Latest Action
Placed on Senate Legislative Calendar under General Orders. Calendar No. 226.
October 28, 2025
📍 Current Status
Next: The bill will be reviewed by relevant committees who will debate, amend, and vote on it.
1. Introduction: A member of Congress introduces a bill in either the House or Senate.
2. Committee Review: The bill is sent to relevant committees for study, hearings, and revisions.
3. Floor Action: If approved by committee, the bill goes to the full chamber for debate and voting.
4. Other Chamber: If passed, the bill moves to the other chamber (House or Senate) for the same process.
5. Conference: If both chambers pass different versions, a conference committee reconciles the differences.
6. Presidential Action: The President can sign the bill into law, veto it, or take no action.
7. Became Law: If signed (or if Congress overrides a veto), the bill becomes law!
Another masterpiece of legislative theater, courtesy of the esteemed members of Congress. Let's dissect this farce, shall we?
**Main Purpose & Objectives:** Ah, the noble goal of reducing diesel emissions! How quaint. The real purpose is to reauthorize a program that's been limping along since 2005, providing a convenient excuse for lawmakers to pretend they care about the environment while actually catering to their corporate overlords.
**Key Provisions & Changes to Existing Law:** Oh boy, this is where it gets exciting! The bill amends Section 797(a) of the Energy Policy Act of 2005 by striking "2024" and inserting "2029". Wow, what a bold move! Essentially, they're extending the program's lifespan by five years. I'm sure the environment will be saved by this Herculean effort.
**Affected Parties & Stakeholders:** The usual suspects: diesel engine manufacturers, trucking companies, and environmental groups (who'll likely be bought off or silenced). But let's not forget the real stakeholders – the politicians who'll benefit from campaign donations and lobbying largesse. After all, someone has to fund those re-election campaigns.
**Potential Impact & Implications:** *yawn* This bill will have about as much impact on diesel emissions as a Band-Aid on a bullet wound. It's a token gesture designed to appease the environmental crowd while allowing the real polluters to continue business as usual. The only significant outcome will be the perpetuation of a program that's more concerned with lining corporate pockets than actually reducing emissions.
Diagnosis: This bill is suffering from a severe case of "Greenwashing Syndrome" – a disease characterized by the superficial appearance of environmental concern, but ultimately driven by greed and a desire for power. The symptoms include:
* Tokenistic language and vague objectives * Lack of meaningful action or enforcement mechanisms * Overemphasis on corporate interests over environmental concerns * Politicians more concerned with appearances than actual results
Treatment: A healthy dose of skepticism, followed by a strong injection of reality. Unfortunately, this patient is likely terminal – the disease has progressed too far, and the politicians are too invested in their own self-interest to change course.
Prognosis: More of the same – empty promises, half-hearted measures, and a continued disregard for the environment. But hey, at least they're trying... right?
Sen. Whitehouse, Sheldon [D-RI]
Congress 119 • 2024 Election Cycle
No PAC contributions found
No organization contributions found
No committee contributions found
This bill has 5 cosponsors. Below are their top campaign contributors.
ID: C001047
Top Contributors
23
ID: B001288
Top Contributors
22
ID: S001198
Top Contributors
75
ID: B001303
Top Contributors
36
ID: B001261
Top Contributors
32
Hub layout: Politicians in center, donors arranged by type in rings around them.
Showing 40 nodes and 55 connections
Total contributions: $55
Showing top 14 donors by contribution amount
Which industries are materially affected by specific provisions in this bill. 2 helped.
Section 2 reauthorizes the diesel emissions reduction program through 2029, which provides funding for retrofitting or replacing diesel engines in trucks, buses, and other surface transportation vehicles, benefiting the industry.
The diesel emissions reduction program includes non-road equipment such as construction machinery; reauthorization continues funding for retrofits, benefiting construction firms and equipment manufacturers.
For each industry this bill affects, here's what the sponsor (Sen. Whitehouse, Sheldon [D-RI])received from donors associated with that industry during the 2022–present cycles. Donations are not proof of intent — they are a record of who funds the people writing the law.
This bill shows semantic similarity to the following sections of the Project 2025 policy document.AI-enhanced analysis provides detailed alignment ratings.
AI Analysis:
"The bill focuses on reducing diesel emissions through reauthorization of a grant program, which aligns with Project 2025's broader goals of mobile source regulation and cleaner transportation, though it does not directly address specific EPA reforms like GHG standards, CAFE rules, or permitting changes outlined in the policy."
— 425 — Environmental Protection Agency are statutorily required, and remove any regulatory differences between attainment and maintenance that are not explicitly required by law. l Streamline the process for state and local governments to demonstrate that their federally funded highway projects will not interfere with NAAQS attainment. l Adopt policies to prevent abuse of EPA’s CAA “error correction” authority.20 EPA historically has used this to coerce states into adopting its favored policies on pain of imposition of a Federal Implementation Plan (FIP). l Limit EPA’s reliance on CAA § 30121 general rulemaking authority to ensure that it is not abused to issue regulations for which EPA lacks substantive authority elsewhere in the statute. l If possible, return the standard-setting role to Congress. Climate Change l Remove the Greenhouse Gas Reporting Program (GHGRP) for any source category that is not currently being regulated. The overall reporting program imposes significant burdens on small businesses and companies that are not being regulated. This is either a pointless burden or a sword-of- Damocles threat of future regulation, neither of which is appropriate. l Establish a system, with an appropriate deadline, to update the 2009 endangerment finding. l Establish a significant emissions rate (SER) for greenhouse gasses (GHGs). Regulating Hydrofluorocarbons (HFCs) Under the American Innovation and Manufacturing (AIM) Act22 l Repeal Biden Administration implementing regulations for the AIM Act that are unnecessarily stringent and costly. l Refrain from granting petitions from opportunistic manufacturers to add new restrictions that further skew the market toward costlier refrigerants and equipment. — 426 — Mandate for Leadership: The Conservative Promise l Conduct realistic cost assessments that reflect actual consumer experiences instead of the current unrealistic ones claiming that the program is virtually cost-free. Mobile Source Regulation by the Office of Transportation and Air Quality l Establish GHG car standards under Department of Transportation (DOT) leadership that properly consider cost, choice, safety, and national security. l Review the existing “ramp rate” for car standards to ensure that it is actually achievable. l Include life cycle emissions of electric vehicles and consider all of their environmental impacts. l Restore the position that California’s waiver applies only to California- specific issues like ground-level ozone, not global climate issues. l Ensure that other states can adopt California’s standards only for traditional/criteria pollutants, not greenhouse gases. l Stop the use of the International Civil Aviation Organization (ICAO) to increase standards on airplanes. l Reconsider the Cleaner Trucks Initiative to balance the goal of driving down emissions without creating significant costs or complex burdens on the industry. Air Permitting Reforms for New Source Review (Pre-Construction Per- mits) and Title V (Operating Permits) l Develop reforms to ensure that when a facility improves efficiency within its production process, new permitting requirements are not triggered. l Restore the Trump EPA position on Once-In, Always-In (that major sources can convert to area sources when affiliated emissions standards are met). l Revisit permitting and enforcement assumptions that sources will operate 24 hours a day, 365 days a year; this artificially inflates a source’s potential to emit (PTE), which can result in more stringent permit terms.
AI Analysis:
"The bill focuses on reducing diesel emissions through reauthorization of a grant program, which aligns with Project 2025's broader environmental protection goals, particularly around air quality and emissions reduction. However, it does not directly address the specific EPA reforms, regulatory streamlining, or climate change policies outlined in the Project 2025 section, resulting in moderate rather than strong alignment."
— 425 — Environmental Protection Agency are statutorily required, and remove any regulatory differences between attainment and maintenance that are not explicitly required by law. l Streamline the process for state and local governments to demonstrate that their federally funded highway projects will not interfere with NAAQS attainment. l Adopt policies to prevent abuse of EPA’s CAA “error correction” authority.20 EPA historically has used this to coerce states into adopting its favored policies on pain of imposition of a Federal Implementation Plan (FIP). l Limit EPA’s reliance on CAA § 30121 general rulemaking authority to ensure that it is not abused to issue regulations for which EPA lacks substantive authority elsewhere in the statute. l If possible, return the standard-setting role to Congress. Climate Change l Remove the Greenhouse Gas Reporting Program (GHGRP) for any source category that is not currently being regulated. The overall reporting program imposes significant burdens on small businesses and companies that are not being regulated. This is either a pointless burden or a sword-of- Damocles threat of future regulation, neither of which is appropriate. l Establish a system, with an appropriate deadline, to update the 2009 endangerment finding. l Establish a significant emissions rate (SER) for greenhouse gasses (GHGs). Regulating Hydrofluorocarbons (HFCs) Under the American Innovation and Manufacturing (AIM) Act22 l Repeal Biden Administration implementing regulations for the AIM Act that are unnecessarily stringent and costly. l Refrain from granting petitions from opportunistic manufacturers to add new restrictions that further skew the market toward costlier refrigerants and equipment.
AI Analysis:
"The bill focuses on reducing diesel emissions through reauthorization of a grant program, which aligns with Project 2025's emphasis on mobile source regulation and cleaner transportation, though it does not address specific Project 2025 priorities like cost assessments, life cycle analysis, or federalism in permitting."
— 426 — Mandate for Leadership: The Conservative Promise l Conduct realistic cost assessments that reflect actual consumer experiences instead of the current unrealistic ones claiming that the program is virtually cost-free. Mobile Source Regulation by the Office of Transportation and Air Quality l Establish GHG car standards under Department of Transportation (DOT) leadership that properly consider cost, choice, safety, and national security. l Review the existing “ramp rate” for car standards to ensure that it is actually achievable. l Include life cycle emissions of electric vehicles and consider all of their environmental impacts. l Restore the position that California’s waiver applies only to California- specific issues like ground-level ozone, not global climate issues. l Ensure that other states can adopt California’s standards only for traditional/criteria pollutants, not greenhouse gases. l Stop the use of the International Civil Aviation Organization (ICAO) to increase standards on airplanes. l Reconsider the Cleaner Trucks Initiative to balance the goal of driving down emissions without creating significant costs or complex burdens on the industry. Air Permitting Reforms for New Source Review (Pre-Construction Per- mits) and Title V (Operating Permits) l Develop reforms to ensure that when a facility improves efficiency within its production process, new permitting requirements are not triggered. l Restore the Trump EPA position on Once-In, Always-In (that major sources can convert to area sources when affiliated emissions standards are met). l Revisit permitting and enforcement assumptions that sources will operate 24 hours a day, 365 days a year; this artificially inflates a source’s potential to emit (PTE), which can result in more stringent permit terms. — 427 — Environmental Protection Agency l Defend the position that petitions to object to Title V should not be used to second-guess previous state decisions. l Clarify the relationship between New Source Review and Title V to ensure that Title V is used only as intended by Congress. CAA Section 11123 l Restore the position that EPA cannot regulate a new pollutant from an already regulated source category without making predicate findings for that new pollutant. l Institute automatic withdrawal of any proposed rule that is not finalized within the statutorily prescribed one-year period. l Revise general implementing regulations for existing source regulatory authority under CAA § 111(d)24 to ensure that EPA gives full meaning to Congress’s direction, including source-specific application, and that the state planning program is flexible, federalist, and deferential to the states. CAA Section 112 (Hazardous Air Pollutants)25 l Unregulated point or non-point source (fugitive emissions) of an already regulated hazardous air pollutant do not require a Maximum Available Control Technology (MACT) standard. l Ensure that Section 112 regulations are harmonized with Section 111 regulations that apply to the same sector/sources. l Ensure that cost-benefit analysis is focused on a regulation’s targeted pollutant and separately identify ancillary or co-benefits. Radiation l Assess and update the agency’s radiation standards so that they align with those of other agencies, including the Nuclear Regulatory Commission, Department of Energy, and Department of Transportation, as well as international standards. l Level-set past, misleading statements regarding radiological risk and reassess the Linear Non-Threshold standard.
Showing 3 of 5 policy matches
Policy matches are calculated using a hybrid approach: initial candidates are found using semantic similarity between bill summaries and Project 2025 policy text, then an AI model (Llama 3.1 70B) provides detailed alignment ratings and analysis. Ratings range from 1 (minimal alignment) to 5 (very strong alignment). This analysis does not imply direct causation or intent.
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