California’s Clean Truck and Bus Voucher Incentive Project (HVIP) is the largest point-of-sale incentive for zero-emission trucks and buses in the United States. This guide explains how HVIP works, current voucher amounts, who qualifies for the larger small-business vouchers, and what to do while standard funding is closed.
See the HVIP FAQs and Implementation Manual for full requirements.
| Class (GVWR) | Base voucher | Small business voucher |
|---|---|---|
| Class 2b (8,501–10,000 lb) | $7,500 | $9,000 |
| Class 3 (10,001–14,000 lb) | $15,000 | $40,000 |
| Class 4–5 (14,001–19,500 lb) | $60,000 | $130,000 |
| Class 6–7 (19,501–33,000 lb) | $85,000 | $160,000 |
| Class 8 (33,001+ lb) | $120,000 | $330,000 |
| Class 8 fuel cell | $240,000 | $420,000 |
| Class | Base voucher | Small fleet voucher |
|---|---|---|
| Class 4–5 refuse | $75,000 | $130,000 |
| Class 6 refuse | $106,250 | $160,000 |
| Class 7 drayage or refuse | $106,250 | $160,000 |
| Class 8 drayage or refuse | $150,000 | $330,000 |
| Class 8 fuel cell drayage or refuse | $300,000 | $420,000 |
| Class | School bus | Small public school bus | Public transit | Small transit agency |
|---|---|---|---|---|
| Class 2b | N/A | N/A | $9,750 | $19,500 |
| Class 3 | $81,000 | $103,500 | $58,500 | $117,000 |
| Class 4–5 | $108,000 | $138,000 | $78,000 | $156,000 |
| Class 6–7 | $153,000 | $195,000 | $110,500 | $221,000 |
| Class 8 | $216,000 | $276,000 | $156,000 | $312,000 |
| Class 8 fuel cell | N/A | N/A | $312,000 | $552,000 |
HVIP also offers vouchers for electric power take-off (ePTO) systems ($20,000–$50,000 by battery size) and for zero-emission truck conversions (75% of the new-truck voucher for requests on or after November 22, 2024). Amounts from the HVIP funding page, October 2026.
Last reviewed: October 2026. Voucher amounts and funding status change; confirm on californiahvip.org.