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Air District funding is available through the Voucher Incentive Program (VIP) to help fleet owners of 10 or fewer on-road diesel vehicles to retrofit or replace their trucks with newer, lower-emission equipment.
Funding is available on a first-come, first-served basis for eligible equipment until all funds have been allocated. Applications must be determined to be complete to be considered for funding.
Contact an Air District approved vendor to start your application today!
Reduce emissions from on-road diesel trucks (GVWR greater than 14,000 lbs.) by installing a California Air Resources Board-verified retrofit device. Funds ranging from $1,000 to $10,000 are available for retrofits that provide early or extra emission reductions to the regulations.
Funding is available for the following retrofit projects:
Replace on-road diesel trucks (GVWR greater than 14,000 lbs.) with a new or used truck that has an ARB-certified engine. Funds ranging from $5,000 to $45,000 are available for truck replacement projects. The replacement truck must be a new or used 2007 or newer model-year engine certified to meet the 2007 or cleaner emission standards. Funding is available for the following truck replacement projects:
Replace existing trucks with a GVWR between 14,001 and 26,000 lbs. that have an engine model year of:
Replace existing trucks with a GVWR of 26,001 lbs. or greater that have an engine model year of 2006 or older, if following one of the alternative ARB flexibility compliance options with no current January 1, 2016, retrofit requirements or 2010 emission standard compliance requirements before 2020.
Note: Applicants applying for VIP funding must document proper ARB fleet compliance. Questions about the ARB regulation or compliance must be directed to CARB staff at 1-866-6DIESEL (866-634-3735) or
The following are generally eligible for VIP grant; however you must be compliant the Statewide Truck and Bus Regulation (see below) to apply for funding:
Funding cannot be used for upgrades or equipment purchases that are already required by an existing regulation, local ordinance, or contract. However, funding may be available for projects that comply at least one to three years in advance. Verify eligibility by identifying the regulations your truck is subject to.
ARB adopted the Statewide Truck and Bus Regulation in December 2008. The purpose of the regulation is to reduce emissions of diesel particulate matter, oxides of nitrogen, and other criteria pollutants from in-use on-road diesel-fuel vehicles. This rule impacts the eligibility of all on-road, heavy-duty diesel-fueled and alternative diesel-fueled vehicles operated in California with a GVWR greater than 14,000 pounds.
Additional ARB regulation resources:
DIESEL Hotline contact information:
1-866-6DIESEL (1-866-634-3735) or
NOTE: The tables of dealerships and dismantlers above will be updated as new participants are identified.
View the Calendar for upcoming workshops, events, and deadlines.
Learn more about on-road truck funding(176 Kb PDF, 4 pgs), including project type details, regulatory information, and application requirements.
Other Air District funding sources for on-road truck projects include the Transportation Fund for Clean Air, and Goods Movement Program.
Administrative Analyst, Strategic Incentives
No Spare the Air Alert in Effect
Air Quality Widgets
Last Updated: 10/5/2015