The EPA offers competitive 2026 grants to eligible entities to retrofit, replace, or retire older diesel engines, vehicles, and equipment.
Clean Diesel Grant Programs support public and private fleets in Wisconsin with diesel-emissions reduction projects, while sharing a separate EPA opportunity to upgrade and replace aging diesel equipment.
The Oklahoma Clean Diesel (DERA) Program funds the replacement of old diesel school buses with cleaner alternatives to reduce emissions and improve air quality in Oklahoma.
DEMP - Volkswagen Settlement and DERA supports Florida local governments and private fleet operators in replacing older diesel trucks to reduce mobile-source emissions across the state.
School Bus Replacement Program supports Wyoming school bus operators with purchases of new diesel or alternative-fueled buses to replace older diesel vehicles through emissions-reduction funding.
New Hampshire Clean Diesel Grant Program supports public, nonprofit, and private entities replacing vehicles and engines or adopting cleaner technologies to reduce diesel emissions and protect public health.