Assistance Listing 66.045

Clean School BUS Program

Environmental Protection Agency · Environmental Protection Agency

The verdict for a small nonprofit

Rarely funds nonprofits directly. 97% of awards go to governments and other applicants, so look for a subrecipient or partner role instead.

Based on 67 new awards in FY2024–25. The median award is $11,157,500. Expect about 120 days between posting and deadline.

First-time winners
100%
of new awards, last 3 FYs
Nonprofit share
3%
0% higher ed · 54% gov't
Under-$1M orgs
n/a
revenue join unavailable
Median award
$11M
$7.5M – $15M middle half
New awards, FY2025
2
$22M committed to them
Usually posts
Apr
one-time · 120-day window

Open right now under this program

Nothing open · from Grants.gov, checked every 10 minutes

No open announcement under 66.045 today. New rounds usually post in Apr. Sign up and we'll email you when one opens.

Who won in FY2025

Largest recipients by dollars. From USAspending.

RecipientTypeStateAwardsAwarded
First Student, INC.BusinessOH6$141,106,392
Highland CSB 1, LLCBusinessMA5$103,141,535
RWC International LLCBusinessAZ2$25,050,000
The Lion Electric CO USA INCBusinessDE1$38,146,757
Dattco INCOtherMA1$33,299,750
Bird BUS CorpBusinessNY1$31,597,733
New York City School BUS Umbrella Services INCNonprofitNY1$29,500,000
ZUM Services, INCBusinessCA1$26,579,482
Board of Education City of ChicagoGovernmentIL1$20,285,017
Dekalb County Board of EducationGovernmentGA1$20,139,250

New awards by fiscal year

Awards first made in each fiscal year; dollars are the total committed to that year's new awards over their life.

FYNew awardsCommittedMedianMiddle half
202465$910M$12M$6.3M – $20M
20252$22M$11M$7.5M – $15M

Past rounds

Every announcement under this listing that Grants.gov still lists. Use it to plan next year.

PostedClosedWindowAnnouncement
2023-04-242023-08-22120 dEPA-OAR-OTAQ-23-06 · 2023 Clean School Bus (CSB) Grant Program

Common questions

How hard is it to win a grant under 66.045?

Rarely funds nonprofits directly. 97% of awards go to governments and other applicants, so look for a subrecipient or partner role instead. Based on 67 new awards in FY2024–25. The median award is $11,157,500. Expect about 120 days between posting and deadline.

How much does Clean School BUS Program award?

In FY2025 the median new award was $11M; the middle half ran from $7.5M to $15M. 2 new awards were made, with $22M committed to them.

When does 66.045 usually post?

Over the last several years, new rounds most often posted in Apr with about 120 days to apply. The most recent round posted Apr 24, 2023.

Who runs this program?

Environmental Protection Agency (Environmental Protection Agency). Assistance Listing 66.045 on SAM.gov describes the authorizing statute and standard terms.

Sources: USAspending FY2021–25 award archive (2026-10-06); Grants.gov Search2 (fetched 2026-10-28); IRS EO BMF (fetched 2026-10-28). Award counts are new awards by fiscal year of first action. Shares are computed from award counts, not dollars; the under-$1M share covers the 50% of nonprofit awards that matched an IRS revenue record. Recipient type comes from the award record's business-type codes. Always confirm details in the official announcement.

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