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FY22-FY23 cycle closed Dec 1, 2023 — next NOFO expected; sign up for DERA email updates on the program page
Diesel Emission Reduction Act (DERA) National Grants is sponsored by ENVIRONMENTAL PROTECTION AGENCY. The Diesel Emissions Reduction Act, 42 U.S.C. 16132 et seq., as amended, authorizes EPA to award grants, rebates and loans to eligible entities to fund diesel emissions reductions. Emission reductions are achieved through the implementation of a certified engine configuration, verified retrofit technology, or emerging technology for buses (including school buses), medium heavy-duty or heavy heavy-duty diesel trucks, marine engines, locomotives, or nonroad engines used in construction, handling of cargo (including at port or airport), agriculture, mining, or energy production. In addition, eligible entities may also use funds to reduce long-duration idling using verified idle-reduction technology with certain vehicles or equipment described above. The objective of this program is to achieve significant reductions in diesel emissions and exposure, particularly from fleets operating in areas designated by the Administrator as poor air quality areas. Priority is given to projects which promote environmental justice (EJ) by demonstrating benefits to disadvantaged communities. EJ is the fair treatment and meaningful involvement of all people regardless of race, color, national origin, or income with respect to the development, implementation and enforcement of environmental laws, regulations and policies.
Funding Priorities - Fiscal Year 2023: The National DERA program works to reduce the pollution emitted from diesel engines across the country through the implementation of various control strategies and involvement of national, state, local and private partners. Priority will be given to projects which achieve significant reductions in diesel emissions and exposure, particularly from fleets operating in poor air quality areas and/or service goods movement facilities. Further, priority for funding may be given to projects which benefit and engage disadvantaged communities, and those which can demonstrate project sustainability, climate change adaptation and workforce development. This listing is currently active. Program number: 66.039. Last updated on 2024-11-06.
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Or search similar grants →According to the current listing, eligibility includes: Regional, state, local or tribal agencies or port authorities with jurisdiction over transportation or air quality; nonprofit organizations or institutions with established diesel emissions reduction programs. Confirm the full requirements in the official notice before applying.
The current listing shows $115M total for FY22-FY23 cycle. Verify award ceilings, matching requirements, and allowable costs in the official notice.
This listing does not include a published deadline, but it is an annual program. Check the official notice for the current cycle's exact dates.
Yes — Diesel Emission Reduction Act (DERA) National Grants is offered by ENVIRONMENTAL PROTECTION AGENCY and this listing comes from SAM.gov, an official U.S. federal source. Federal applications generally require registrations (for example SAM.gov or an agency submission portal), so allow extra lead time.
Yes — this listing is flagged as national in scope, so applicants across the U.S. may apply, subject to the sponsor's other eligibility criteria.
Applications go through the funder's official portal — the Apply Now link on this page goes there directly.
Past winners and funding trends for this program
The Environmental Protection Agency issued 17,110 awards totaling roughly $94.7 billion to 3,868 recipients in FY2021-2025, with a median award of $342,400. Climate United Fund ($6.97 billion) and the Coalition for Green Capital ($5.12 billion) were the largest recipients, and 47 percent of recipients won more than one separate award.
| Organization | Total awarded |
|---|---|
| Climate United Fund(MD) | $7.0B |
| Coalition for Green Capital(DC) | $5.1B |
| State of California Water Resources Control Board(CA) | $3.5B |
| Illinois Environmental Protection Agency(IL) | $2.5B |
| Opportunity Finance Network(PA) | $2.3B |
| Texas Water Development Board(TX) | $2.1B |
| North Carolina Department of Environmental Quality(NC) | $2.0B |
| Power Forward Communities, INC(MD) | $2.0B |
Linked organizations have Granted profiles. Top recipients of Environmental Protection Agency (EPA) assistance awards, FY2021–FY2025, ranked by total obligations (CFDA 66.x). Source: USAspending. Last verified July 2026.
On June 29, 2026, EPA announced it will waive the $25,000 WIFIA application fee and the credit processing fee — averaging roughly $156,000 per loan — for communities of 25,000 or fewer residents in fiscal years 2026 and 2027. Combined, that removes nearly $200,000 in upfront cost from the single most affordable federal water-infrastructure financing program, which carries roughly $11 billion in available capacity and can cover up to 80% of eligible project costs at Treasury-rate pricing. For small towns, rural utilities, and the nonprofits and districts that serve them, this is a rare instance of the federal government lowering the barrier to a program that has historically been out of reach for exactly the communities that need it most. Here is what changed, who qualifies, and how to move on a letter of interest before the window closes.
Read articleFor FY2026 and FY2027, EPA is waiving the $25,000 WIFIA application fee and the ~$156,000 credit-processing fee for water systems serving 25,000 or fewer people — a near-$200,000 discount on access to an $11 billion pool of low-cost federal financing. The waiver removes the single barrier that kept small and rural utilities out of WIFIA for a decade. Here is how WIFIA actually works, who qualifies, why the letter of interest is the real gate, and how a town of 8,000 should think about a program built for billion-dollar projects.
Read articleFor FY2026 and FY2027, EPA is waiving the WIFIA application and credit-processing fees for communities of 25,000 or fewer — saving nearly $200,000 per loan — against roughly $11 billion in flexible financing that covers up to 80 percent of project costs. Here is why WIFIA has been underused by small systems, how the loan actually works, and how a rural utility should build a WIFIA strategy in 2026.
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