California Clean Truck and Bus Voucher Incentive Project (HVIP)

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California's Clean Truck and Bus Voucher Incentive Project (HVIP) is a program that provides funding to fleets for the purchase of clean medium- and heavy-duty trucks and buses. The program supports the deployment of zero-emission vehicles, reduces emissions, and improves air quality in communities affected by pollution. It offers point-of-sale discounts for a wide range of zero-emission vehicles including Class 2b–8 trucks, transit buses, school buses, and shuttle buses. The program is administered by CALSTART on behalf of the California Air Resources Board (CARB) and is primarily funded through California Climate Investments.