Available Voucher Funds
All Approved Technologies
$ -12,398,123
Small Fleet Low NOx NG
$ 0

Approved technologies include Zero Emission, Low NOx, Hybrid, and ePTO

Why Clean Vehicles?


The Hybrid and Zero-Emission Truck and Bus Voucher Incentive Project (HVIP) and Low NOx Engine Incentives was formed by the California Air Resources Board (CARB) as a result of the Air Quality Improvement Program (AQIP) following the passing of the California Alternative and Renewable Fuel, Vehicle Technology, Clean Air, and Carbon Reduction Act of 2007 (AB 118, Statutes of 2007, Chapter 750). AQIP offers funding for projects and initiatives focused on supporting the development and deployment of the advanced technologies needed to meet California’s longer-term, post-2020 air quality goals. The fuel efficiency and zero- to low-emission benefits of zero-emission, hybrid, and natural gas vehicle technologies provide a strong public health benefit by reducing harmful greenhouse gas (GHG) and criteria emissions.

Growing California’s Market for Clean Vehicle Technologies

HVIP responds to a key market challenge by making clean trucks and buses more affordable for fleets.  By offering point-of-sale incentives for clean trucks and buses, HVIP provides a streamlined approach for providing helpful incentives to fleets without waiting to submit proposals or complicated paperwork. Fleets receive the voucher discount at the point of sale while HVIP-approved vendors and dealers process the required documentation.

This innovative approach provides a meaningful “kick-start” to the low-carbon clean truck and bus industry. HVIP helps fleet and vehicle owners move into clean trucks and buses faster, while reducing emissions, fuel consumption and supporting California’s goals to promote a clean climate future.

HVIP is Making a Difference

To date, HVIP has deployed more than 3,500 medium- to heavy-duty vehicles, accelerating the growth of the nation’s early market of zero-emission and hybrid trucks and buses by 30 percent. HVIP has successfully increased the demand of these technologies which is proving to advance the industry, create jobs and economic benefits while accelerating the commercialization of these trucks and buses for all. With more than 1,000 fleets participating across California, HVIP is helping the state meet its clean air goals.

HVIP is administered and implemented through a partnership between California Air Resources Board (CARB) and CALSTART (selected by CARB via a competitive grant solicitation).

HVIP Program Overview

Click here for a brief overview of the program.

Community Testimonials

“HVIP helps put us on the track to making sure our children can breathe clean air.”

“Switching to a cleaner, more efficient vehicle helps our business by reducing the cost of fuel and in doing our part in helping the environment.”

“I have worked with many different types of fleets, from construction to produce delivery. People like the trucks; they are green and there’s fuel savings.”

“HVIP is a win-win situation for the small business that makes the investment, for the company that sold it, and for the company that made the technology for us.”

“HVIP…helps clean our air and address climate change, which is so critical especially for our region.”
“For every truck that we put on that reduces that pollution, you’re helping save someone’s life.”

“Choosing clean vehicles is optional for most fleets. The HVIP process employs several best practices with the fewest steps and purchase restrictions to motivate fleets sitting on the sidelines to accelerate adoption.”

“Every incentive program should be like HVIP, it’s a simple process that gets new technology deployed quickly without burdening fleets with a lot of paperwork.”

“This program is a ‘win-win-win’ for California, where its policies really tie together with cleaning [California’s] air, addressing global needs, as well as building jobs in this state.”

California Climate Investments

HVIP is part of California Climate Investments, a statewide program that puts billions of cap-and-trade dollars to work reducing greenhouse gas emissions, strengthening the economy and improving public health and the environment—particularly in disadvantaged communities. The cap-and-trade program also creates a financial incentive for industries to invest in clean technologies and develop innovative ways to reduce pollution. California Climate Investment projects include affordable housing, renewable energy, public transportation, zero-emission vehicles, environmental restoration, more sustainable agriculture, recycling and much more. At least 35 percent of these investments are made in disadvantaged and low-income communities. For more information, visit California Climate Investments.

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