Available Voucher Funds
All Approved Technologies
$ 82,638,734
Small Fleet Low NOx NG
$ 7,440,000

Click Here to View the FY17-18 HVIP Implementation Manual

**Click Here to View Changes to HVIP for FY18-19**

Click Here to View FY18-18 Voucher Tables – October 2018

Click Here for a Summary of the EVSE Voucher Enhancement

The California Air Resources Board (CARB) in partnership with CALSTART launched the Hybrid and Zero-Emission Truck and Bus Voucher Incentive Project (HVIP) and Low NOx Engine Incentives in 2009 to accelerate the purchase of cleaner, more efficient trucks and buses in California.

The greatest barrier to purchasing cleaner trucks and buses is the higher price tag.

HVIP provides point-of-sale discounts to vehicle purchasers. There’s no waiting for a rebate check or a tax credit. HVIP works closely with truck and bus dealers to apply the voucher incentive at the time of purchase.

Why do we need cleaner trucks and buses?

Today, trucks and buses are responsible for 37 percent of California’s greenhouse gas and criteria emissions. By deploying new electric, hybrid, and natural gas trucks and buses, fleets can help reduce these emissions.

Drive Innovation
Build Sustainable Communities
Protect Public Health
Drive Innovation
Build Sustainable Communities
Protect Public Health

Latest News

Updated Requirements for Low NOx Refuse Trucks

Purchases of new 8.9L Low NOx natural gas refuse collection and roll-off vehicles that replace existing natural gas vehicles are not eligible for voucher requests.

Purchases of new 8.9L Low NOx natural gas refuse collection and roll-off vehicles that replace existing diesel vehicles are eligible for voucher requests.

Purchases of new 8.9-L Low NOx natural gas transfer vehicles remain eligible, regardless of whether they replace a diesel vehicle or not.

Eligibility requirements for 8.9-L Low NOx vehicles that replace diesel vehicles:

  • The new Low NOx vehicle needs to be domiciled and operated within a 100-mile driving radius of the diesel vehicle it is replacing. If the replacement vehicle is more than 100 miles from the replaced vehicle, but still in the same service territory, the fleet can request an exception with a letter detailing the new vehicle’s service territory.
  • Proof of California vehicle registration, active at time of voucher request, is required for the diesel vehicle that is being replaced. There is no requirement to substantiate that the diesel vehicle has been replaced. Each diesel vehicle can only count once as a replaced vehicle. The fleet shall also identify the domicile location of each replaced diesel vehicle. The replaced diesel vehicle needs to be a collection or roll-off vehicle.

California Air Resources Board Working Group Scheduled for December 11, 2018

Please mark your calendars for an upcoming California Air Resources Board (CARB) Heavy-Duty Advanced Technology Incentives public work group meeting to be held on Tuesday, December 11, 2018. This meeting will include working sessions that focus on barriers and opportunities related to deployment of heavy-duty technologies including zero-emission, hybrid, and low NOx engines.

For those unable to attend in person, conference call capability will also be provided. An agenda with conference call details will be posted no later than Tuesday, December 4, 2018 at the website noted below.

Meeting Information:

The meeting will be held at the following date, time, and location:
Date: Tuesday, December 11, 2018
Time: 10:00 a.m. to 4:30 p.m.
Place: Cal/EPA Headquarters Building
Sierra Hearing Room
1001 I Street
Sacramento, California 95814


The agenda will be posted on the Air Quality Improvement Program (AQIP) website by Tuesday, December 4, 2018 at: https://www.arb.ca.gov/msprog/aqip/meetings/meetings.htm.

If you have questions regarding the workshop, please contact Mr. Ryan Murano, Air Pollution Specialist, at (916) 322-2383 or by email at ryan.murano@arb.ca.gov.

CARB Releases Proposed FY 2018-19 Funding Plan

CARB has posted the Proposed FY 2018-19 Funding Plan. The CARB Board will consider adoption of the Funding Plan at their October 25 board meeting. The proposed changes to HVIP are on PDF pages 73 through 79 of the Proposed Fiscal Year 2018-19 Funding Plan. If approved by the Board, we will update the voucher amounts for eligible HVIP and Low NOx vehicles to reflect the Board-approved changes on October 26.

Participate and Learn More



Fleets that operate Class 2 to Class 8 vehicles in California are eligible for voucher incentives! Click here to learn about HVIP’s clean vehicle inventory and how to submit a voucher request.

Vendors & OEMs

Vendors & OEMs

Vendors and original equipment manufacturers (OEMs) interested in selling vehicles through HVIP, click here to learn how to apply for HVIP vehicle eligibility.

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