Carl Moyer Program

Upgrade or replace heavy-duty diesel vehicles and equipment with funding from the Carl Moyer Program.

Carl Moyer Program Application

NOTICE: The Air District will be closing the Carl Moyer Program Year 18 application period on Monday, May 15, 2017.  Please check back later for information about the upcoming Year 19 project solicitation.

Project Types

Funding is offered on a first-come, first-served basis until all funds have been spent. Applications must be complete to be considered for funding.

Funds are available for the following project types:

  • Equipment/Vehicle replacement - replace an old vehicle or piece of equipment with the cleanest available vehicle or equipment.
  • Engine replacement (repower) - replace an old engine with a new, emission-certified engine.
  • Engine retrofit - install an emission control or idle-limiting device.
  • Remanufacture kit - install an engine remanufacture kit that reduces the emissions from a marine or locomotive engine.


In general, equipment is eligible for funding that:

Grants cannot be used for projects that are currently required by law or by a contract or agreement. More information and additional requirements are available in the Program Overview Fact Sheet and California Air Resources Board Carl Moyer page.

Eligible Equipment

Visit the following pages for equipment-specific funding opportunities:

Program Documents & Information

Previously Approved Projects

Workshops and Events

View the Calendar for upcoming workshops, events, and deadlines.

Contact Us

Grants Programs Information Request Line

415 749-4994

Contact Us

Spare the Air Status
Spare the Air Status
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    No Spare the Air Alert in Effect

  • Tuesday,

    No Spare the Air Alert in Effect

Last Updated: 5/20/2015