Carl Moyer Program: Off-Road Large Spark-Ignition Equipment

This page last reviewed July 30, 2014

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Off-Road Large Spark-Ignition Equipment

Chapter 8 of the 2011 Carl Moyer Program Guidelines describes the minimum criteria and requirements for off-road large spark-ignition engine (LSI) projects. Criteria and requirements for the off-road equipment replacement category can be found in Chapter 9. Air districts may set more stringent requirements bassed upon local priorities.

For more information regarding the Carl Moyer Program, please email us or contact ARB's Diesel Hotline.

Projects Eligible for Funding:

The Air Resources Board (ARB) has adopted in-use LSI Fleet Requirements (LSI Fleet Rule). There are limited funding opportunities for equipment subject to this rule. The following off-road LSI equipment projects may be eligible for funding.

Eligible Project Types: Off-Road Large Spark-Ignition Equipment



Equipment Replacement

Purchase of new or used LSI equipment replacing a fully functional LSI piece of equipment may be eligible. Please refer to Chapter 9 of the 2011 CMP Guidelines

Retrofit Purchase

Purchase and installation of a retrofit for off-road LSI equipment.    

New Electric Purchase

New purchase of electric off-road LSI equipment.

Other Project Types

New purchases of LSI equipment certified to optional low-emission standards and repower with cleaner engine have not been typical LSI projects, but may be considered on a case-by-case basis with prior ARB approval

Carl Moyer Program Funding Amounts

Listed below are the maximum funding amounts for eligible off-road LSI equipment projects as described in the 2011 Carl Moyer Program Guidelines.

Maximum Percentage Eligible for
Carl Moyer Off-Road Large Spark-Ignition Engine Projects
(Cost-effectiveness may limit funding amount)


Maximum Funding Amounts
(Per piece of equipment)

New Electric Equipment Purchase

30 percent


100 percent

For more detailed information on Project Criteria please see Chapter 8, Section D, pages 8-3 to 8-7 of the 2011 Carl Moyer Program Guidelines.

To find your air district or to check if funding is available for this category, please visit our Air District Contact Page.

Related Links:

    Moyer Home Page

    Moyer Source Categories    


    Verified Diesel Retrofits

    On-Road Voucher Incentive Program (VIP) Main Page

    Other Useful Carl Moyer Program Links