Carl Moyer Program: On-Road Heavy Duty Vehicles

This page last reviewed January 2, 2019

hd truck


Chapter 4 of the Carl Moyer Program Guidelines describes the minimum criteria and requirements for on-road heavy-duty
vehicle projects, except On-Road Voucher Incentive Program (On-Road VIP) projects (see the On-Road VIP Guidelines for
more information about these projects). Local air quality management or air pollution control districts may set more stringent requirements based upon local priorities.

Vehicle Project Types


  • Vehicle Replacement
  • Repower
  • Conversion

Project Categories


  • Heavy-Duty Trucks and Buses: Heavy-duty diesel trucks and buses with gross vehicle weight ratings (GVWR) greater than 14,000 pounds (lbs.) are subject to the Statewide Truck and Bus Regulation.
  • School Buses: School buses as defined in Vehicle Code section 545 are subject to the Statewide Truck and Bus Regulation.
  • Transit Vehicles: Transit vehicles are subject to the Fleet Rule for Transit Agencies and must be compliant with final regulatory requirements.
  • Drayage Trucks: Drayage trucks are subject to the Statewide Drayage Truck Regulation. As of January 1, 2014, drayage trucks are required to be equipped with 2007 model year or newer engines.
  • Solid Waste Collection Vehicles (SWCV): Vehicles equipped with 2006 and older engines are subject to the SWCV Regulation and must meet final regulatory requirements. Vehicles equipped with 2007 and newer engines are subject to the Statewide Truck and Bus Regulation.
  • Public Agency and Utility Vehicles: Vehicles with GVWR over 14,000 lbs. owned by a municipality or utility that are equipped with engines certified to Particulate Matter (PM) emission standards greater than 0.01 grams per brake horsepower-hour (g/bhp-hr) are subject to the Fleet Regulation for Public Agencies and Utilities.
  • Emergency Vehicles: Emergency vehicles are not subject to in-use emissions regulations. Eligible vehicles also include prisoner transport buses. Project types mainly include replacements.

Funding Amounts

Tables listed below are the maximum funding amounts for eligible on-road vehicle projects as described in Chapter 4 of Carl Moyer Program Guidelines.

State Funding Caps for Moyer School Bus Projects

Project Type

Funding Cap

  School Bus Diesel or Alternative Fuel Replacements

$165,000  

  School Bus Optional Low-NOx or Hybrid Replacements

$220,000  

  School Bus Zero-Emission Replacements

$400,000  

  School Bus Repowers

$70,000  

  School Bus Electric Conversions

$400,000  


State Funding Caps for Conventional Diesel or Alternative Fuel or Hybrid Replacements
(2013+ engine model year; 0.20 g/bhp-hr NOx or cleaner standard)

Weight Class

Funding Cap (a)

  Heavy Heavy-Duty (HHD) GVWR > 33,000 lbs.

$60,000  

  Medium Heavy-Duty (MHD) GVWR 19,501-33,000 lbs.

$40,000  

  Light Heavy-Duty (LHD) GVWR 14,001-19,500 lbs.

$30,000  

  Emergency Vehicles GVWR > 14,000 lbs.

80% of Cost  


State Funding Caps for Optional Low NOx Replacements(a)

Optional Low NOx standard (g/bhp-hr)

HHD

MHD

LHD

0.02  

$100,000  

$80,000  

$70,000  

0.05  

$80,000  

$60,000  

$50,000  

0.10  

$70,000  

$50,000  

$40,000  

  Transit Buses

$25,000  


State Funding Caps for Optional Low NOx Repowers

Vocation Type

Funding Caps

  Transit Bus

$20,000  

  Other Trucks and Buses

$40,000  


State Funding Caps for Zero Emission Replacements or Conversions

Weight Class/Vocation Type

Funding Caps(a)

  Transit Bus

$80,000  

  HHD Truck or Bus

$200,000  

  MHD Truck or Bus

$150,000  

  LHD Truck or Bus

$80,000  


State Funding Caps for Hybrid Conversions

Weight Class

Funding Caps(a)

  LHD

$7,500  

  MHD

$10,000  

  HHD Truck or Bus

$15,000  


(a) No more than 80 percent of vehicle cost for fleets with 10 or less vehicles, no more than 50 percent of vehicle cost for larger fleets except for emergency vehicles.


For more detailed information on project criteria please see Chapter 4 of the Carl Moyer Program Guidelines.
For questions, email us or contact CARB's Diesel Hotline.



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