Carl Moyer Program

The Carl Moyer Memorial Air Quality Standards Attainment Program is a voluntary program that reduces emissions by funding diesel, alternative-fueled, and zero-emission replacement engines, vehicles, and equipment.

How to Apply

Visit our Apply for Funding page to see which project categories are eligible for funding right now.

Eligible Project Types

  • Equipment & vehicle replacement
  • Engine replacement (repower)
  • Power system conversion
  • Engine retrofit
  • Battery charging & alternative fueling infrastructure

Eligible Project Categories

Key Eligibility Criteria for Funded Vehicles, Engines, and Equipment

  • Existing equipment must be operational.
  • Existing and replacement equipment must operate within the Air District’s jurisdiction.
  • Documentation of usage, ownership, estimated project costs, and engine emissions certification must be provided.
  • With limited exceptions, emission reductions must be voluntary and cannot be mandatory or used to meet compliance requirements before completion of the grant contract term.
  • Applicants must submit an application, be awarded, and enter into a funding agreement with the Air District prior to starting their projects. Applicants must not make binding financial commitments or orders before grant contract execution.
  • Old vehicles, engines, and equipment must be scrapped and destroyed.
  • Co-funding is possible in some circumstances.
  • Applicants applying for funding must document current compliance with all applicable regulations. Questions about CARB regulations or compliance should be directed to CARB staff at 1-800-242-4450 or
  • Note: See specific project categories above for additional requirements and details.


Workshops and Events

Visit our Apply for Funding page to get the latest events and workshops.

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Spare the Air Status

Last Updated: 9/13/2022