School Bus Replacements

On-Road Heavy-Duty School Bus Fleet Modernization Eligibility Criteria

The application submittal period is open from April 1, 2021 through June 1, 2021, 5 PM. Please submit original hard copy applications. Faxed or emailed applications will not be considered for funding.

Additional criteria can be found in the 2017 CMP Guidelines, Chapter 4: On-Road Heavy Duty Vehicles.

  • Only public school districts that own their own buses or Joint Power Authorities (JPA) between public schools are eligible to apply.
  • Existing buses must be greater than 14,000 GVWR.
  • The existing bus must be in operational condition and have operated in the school district’s fleet for at least two years.
  • For school bus electric conversions, the baseline vehicle chassis must be ten years old or newer. CHP requires engineering plans, certified by a California licensed engineer, to be able to safety certify the school bus.
  • School buses subject to the Truck and Bus Regulation are only eligible if they meet one of the following requirements:
    • The existing school bus must have an OEM diesel particulate filter (DPF) installed.
    • The existing school bus must be retrofitted with a DPF that reduces diesel PM emissions by at least 85%.
    • The existing school bus must be reported in TRUCRS under the Low-Use exemption.
    • School bus fleets must be reported in TRUCRS.

Forms & Applications

  • 2017 Carl Moyer Guidelines
  • School Bus Modernization Application (PDF)
  • Forms W-9 (PDF) and 590 (PDF)must accompany the application.


    Applicants will receive notification of project status via email within 30 days of application receipt. Applicants that are not awarded funds due to a lack of funding, but would otherwise be eligible for a grant have the option of being placed on a waitlist. Applicants will automatically remain on the waitlist for up to 6 months. Applicants that would like to remain on the waitlist after 6 months has passed must email us a request.