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Carl Moyer Program: Case-by-Case Determinations

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An air district may request CARB approval of a project or other Carl Moyer Program (CMP) element that varies from the requirements of the CMP Guidelines on a case-by-case (CBC) basis. CARB may approve such a project or other program element if this approval would not adversely impact achievement of real, surplus, quantifiable, enforceable, permanent, and cost-effective emission reductions, would not significantly reduce program transparency, and is not prohibited by statute.

These case-by-case decisions are based on CMP Guidelines and supplementary guidance (including emails and mail-outs) in effect on the date of the decision. Please also note that projects must consider all supplementary guidance issued as of the fully executed contract date. Therefore, future supplementary guidance issued prior to contract execution that would change the eligibility or funding amount for a project will supersede these case-by-case decisions.

These decisions are posted for transparency and to assist districts in preparing future case by case requests. These decisions are project specific and may not be applicable to other projects. Districts should seek the guidance of CARB staff for each determination that is not addressed in the CMP Guidelines and supplemental materials.

For more information on case-by-case decisions, refer to the Carl Moyer Program 2017 Guidelines, (Chapter 3, Section U).

The graphic depicts the Case by Case (CBC) Review Process. In a box labeled Purpose, it lists a check mark and an x. The check mark reads CBCs do: Allow valid projects to proceed, provide guidance on guideline implementation, proactively address unusual cases. The X symbol reads CBCs do not modify policy, statute, or fund compliance. The box to the right of is titled Principles. It has 3 boxes underneath it. The first box has an icon of a sheet of paper with a checkmark. Underneath it is reads Follow statutory requirements on SIP credibility. The second box has an icon of a computer. Underneath it, it reads surplus, quantifiable, permanent, and enforceable. The third box has an icon of a chart with a downward aiming arrow. It reads reduce criteria pollutants and community specific air toxics. Directly underneath the Purpose and Principles boxes is a thin section titled Process. Underneath it is an arrow flowchart that depicts what processes the air districts over see and which ones are over seen by CARB. Under the district process are the following steps: step 1 air district prepares request with guideline reference and essential information, step 2 Air district submits CBC request to CARB prior to contract, or when unforeseen issue is identified, Both the air district and CARB are listed under step 3 which is: ongoing communication with district during review. The next steps are listed under the CARB process. Step 4 CARB staff evaluates for consistency with principles, and replies within 15 days of completed request. Step 5 CBCs either approved, not approved, or no action/ not required. Last step, step 6 CARB staff posts final decisions for transparency. That completes the process.
Project TypeTotal NumberLast Updated
Program Administration          11October 10, 2024
Project Co-Funding          22May 8, 2024
On-Road Heavy-Duty Vehicles          67September 18, 2024
Emergency Vehicles          7November 22, 2019
Off-Road Equipment         134December 4, 2024
Portable and Stationary Agricultural Sources           44May 24, 2016
Locomotives          29August 11, 2023
Marine Vessels          77May 6, 2024
Light-Duty Vehicles          2November 21, 2013
Lawn and Garden Equipment Replacement          1September 6, 2012
Infrastructure         16August 21, 2024

For information on case-by-case decisions for the Lower-Emission School Bus Program, refer to the Lower-Emission School Bus Program Case-by-Case Determinations

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