California Air Resources Board

Quick resources:

• Administrative Forms

• Carl Moyer Case-by-Case determinations

• Carl Moyer Program Contact Information - California Air Districts

• Carl Moyer 2024 Guidelines

Volume I 2017 Carl Moyer Program Guidelines (PDF) (Updated 06/20/2017)

PART 1 - CARL MOYER PROGRAM GUIDELINES: Program Overview, Program Administration, and Project Criteria

Chapter 1: Program Overview

Chapter 2: General Criteria

Chapter 3: Program Administration

• IPI Paperless RecordKeeping System (03/30/2023)
• IPI Rural Liaison Team (10/30/2020)
• IPI Remote Inspection Procedure (04/01/2020)
  • South Coast AQMD Remote Inspection Instructions and Checklists (04/01/2020)

Chapter 4: On-Road Heavy-Duty Vehicles (PDF) (Updated 04/07/2022)

• IPI Reminder of Carl Moyer Program and On-Road Heavy-Duty Voucher Incentive Program Compliance Requirements with Regulations for On-Road Heavy-Duty (12/20/2023)
• IPI Clarification Regarding Carl Moyer Program On-Road Heavy-Duty Vehicle Replacement Certifications (08/04/2023)
• IPI Correction of Carl Moyer Program and Community Air Protection Program Guidance on AB 794 (05/22/2023)
• IPI Carl Moyer Program and Community Air Protection Program Guidance on AB 794 (03/07/2023)
• IPI Additional guidance for estimating annual usage for school buses impacted by school closures (10/14/2022)
• IPI Guidance for estimating annual usage for school buses impacted by school closures (08/25/2022)
• IPI Carl Moyer Program On-Road Guidance on Manufacture Delay Compliance Extension Option (04/08/2022)
• Sample Calculations (09/18/2018)
  • Updates to On-Road Example Calculations (Updated 2/24/2022)
• IPI Guidance for HD Truck Advanced Technology Replacement for Carl Moyer (03/05/2021)

Chapter 5: Off-Road Equipment

Chapter 6: Locomotives

• IPI Moyer Locomotive Surplus Tables & Green Charts (10/10/2023)

Chapter 7: Marine Vessels (PDF) (Updated 09/20/2023)

• IPI Notice of Updates to the Carl Moyer Marine Chapter and Link to Available Marine Tier 4 Engines (09/25/2023)
  • Tier 4 Engine list (10/11/2023)

Chapter 8: Light-Duty Vehicles

• MSC 21-2105 Revised Table 8-1 through Table 8-5 for Light Duty Emission Benefits Calculations (03/16/2021)

Chapter 9: Lawn and Garden Equipment Replacement (PDF) (Updated 03/06/2023)

Chapter 10: Infrastructure (PDF) (Updated 01/18/2023)

• IPI AB 841 Requirements placed on CARB Incentive Programs (01/29/2021)

APPENDICES

Appendix A: Acronyms

Appendix B: Definitions (PDF) (Updated 01/18/2023)

Appendix C: Cost-Effectiveness Calculation Methodology (PDF) (Updated 11/17/2022)

• IPI CE Changes Approved (Updated 12/22/2022)

Appendix D: Tables for Emission Reduction and Cost-Effectiveness Calculations

Appendix E: Chapter References

Volume II (PDF) (Updated 05/17/2017)

PART 2- VOUCHER INCENTIVE PROGRAM GUIDELINES

On-Road Voucher Incentive Program (PDF) (Updated 01/18/2023)

• On-Road Voucher Incentive Program
• IPI Reminder of Carl Moyer Program and On-Road Heavy-Duty Voucher Incentive Program Compliance Requirements with Regulations for On-Road Heavy-Duty (12/20/2023)
• IPI Guidance Regarding On-Road Heavy-Duty Voucher Incentive Program Replacements and Manufacturer Delays (11/14/2023)
• IPI Carl Moyer Program and Community Air Protection Program Guidance on AB 794 (03/07/2023)
• IPI Carl Moyer Program On-Road Guidance on Manufacture Delay Compliance Extension Option (04/08/2022)

Off-Road Voucher Incentive Program (PDF) (Updated 05/17/2017)

• Off-Road Voucher Incentive Program

PART 3 - AGRICULTURAL ASSISTANCE PROGRAM (PDF) (Updated 05/17/2017)

Other Carl Moyer Program Guidelines:

2011 Carl Moyer Guidelines (PDF) (04/28/2011)

Ended in 2023:

Carl Moyer Truck Improvement/Modernization Benefitting Emission Reductions Program (PDF) (09/15/2015)

• Truck and Bus Regulation Log Truck Phase-In option (12/18/2017)
• MSC 16-19 Amended Funding Table for the Carl Moyer Truck Improvement/Modernization Benefitting Emission Reductions (TIMBER) Program (12/16/2016)