Department of Ecology
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Participants in the Clean Fuel Standard program can find guidance documents, user guides, and forms and templates to support program participation. To stay informed when new documents are added, and for general program information, join our email list.

User Guides

Producers and suppliers of regulated fuels to Washington consumers must participate and register in the Washington Fuels Reporting System (WFRS) and Alternative Fuel Portal (AFP). Guidance on how to register accounts and fuel supply equipment, and how to apply for a fuel pathway.

• WFRS-CBTS User Guide – This user guide gives instructions about how to register for an account in Washington Fuels Reporting System - Credit Bank and Transfer System.
• AFP User Guide – This user guide gives instructions about how to register for an account in the Alternative Fuel Portal
• Fuel Supply Equipment Registration User Guide -- This user guide gives instructions about how to register FSE in WFRS.

 Forms

• WFRS-CBTS Administrator Designation Form – This form is part of the WFRS-CBTS registration process.
• Aggregator Designation Form – This form approves designation of a third-party aggregator.
• AFP Administrator Designation Form – This form authorizes an organization's account administrator for the alternative fuel portal. 
• AFP Attestation Letter – This form is required for all fuel pathway applications in the Alternative Fuel Portal
• Biomethane or Biogas Attestation Letter – This form is required for all Tier 1 fuel pathway applications involving biomethane or biogas in the Alternative Fuel Portal
• Temporary Fuel Pathway Request Form – This form is required for all temporary fuel pathway applications
• WFRS-CBTS Account Closure Form – This form should be used to close an existing WFRS-CBTS account

Templates

• Fueling Supply Equipment (FSE) Registration Template – This template is required for all FSE registrations
• Fueling Supply Equipment (FSE) Detail Sheet Template – This template is required for FSE registrations involving eCHE, eGSE, eOGV, eTRU, Forklifts, or EV Trucks (Yard Trucks)

Guidance Documents

• Participant Guidance on Documenting Exempt Fuels - How to report and document fuels that are exempt under the CFS.

Fuel Pathway Codes

• CARB-OR Approved FPCs_Mar 10 2023 - Fuel Pathway Codes approved by California Air Resources Board (CARB) or Oregon Department of Environmental Quality (OR-DEQ) that have been submitted to Ecology as of March 10, 2023.

Backstop Aggregator Application Materials

Backstop Aggregator Request for Application 

• Part 1: Letter of Intent – Required Initial Application (on or before March 15, 2023)
• Part 2: Required Detailed Application (on or before March 31, 2023) 

To request ADA accommodation, call Ecology at 360-407-6831, 711 (relay service), or 877-833-6341 (TTY). Or request accommodation online.

 Test Document link