Clean diesel grants

Transportation is the largest source of climate pollution in Washington, accounting for nearly half of total greenhouse gas emissions. Diesel exhaust is responsible for 70 percent of Washington’s airborne cancer risk. The Governor and Legislature are spearheading policies and initiatives to address climate change and improve public health by accelerating the transition from fossil fuels to a zero emission transportation system. Clean diesel grants will reduce greenhouse gases, and protect our children and those most affected by toxic diesel emissions. The program’s primary objective is to electrify school buses, but the program will also support idle reduction and other diesel equipment engine replacements.

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Funding cycle

Amount of funding available: Varies – see individual grant guidelines for eligibility
Funding allocated:
Grant award limit: Varies – see individual grant guidelines for eligibility
Amount of matching funds required: Varies – see individual grant guidelines for eligibility

Applications are not being accepted at this time.

Project	Status	Application/Information due date	Application materials	Award notifications
Air Quality Clean School Bus Grant Program 2023 — 2025	Under development	Opens mid-to-late November 2023	Not yet available	First quarter 2024
Air Quality Clean Diesel Grant Program 2023 — 2025	Under development	TBD	Not yet available	TBD

Funding is available for the following entities:

Air Quality Clean School Bus Grant Program 2023 — 2025

School bus owners that transport students to Central and Eastern Washington K-12 schools overseen by the Washington Office of Superintendent of Public Instruction (OSPI) for the 2023 — 2024 school year

Air Quality Clean Diesel Grant Program 2023 — 2025

Cities, counties, public utility districts/co-ops, ports, transit authorities, school districts, state government, tribes, nonprofit organizations, tribes, and local clean air agencies

Air Quality Clean School Bus Grant Program 2023 — 2025

Scrap and replace diesel school buses with zero emission school buses.

Air Quality Clean Diesel Grant Program 2023 — 2025

Scrap and replace diesel yard trucks with zero emission yard trucks.
Scrap and replace diesel transit buses with zero emission transit buses.
Replace the oldest diesel marine engines with all-electric or hybrid electric system.
Vocational training pilot programs to prepare students for jobs created by transforming diesel fleets to zero emission fleets.

Contact information

Ron Stuart
Diesel Program Specialist
ron.stuart @ecy.wa.gov
360-522-3453

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