Biden administration officials announced they will miss a self-imposed deadline of March 1 to complete modifications to the GREET model for sustainable aviation fuels (SAF). The model is critically important for determining eligibility for the Inflation Reduction Act’s “40-B” SAF tax credit. Renewable Fuels Association President and CEO Geoff Cooper says while they were pleased to hear progress is being made on the modified GREET model, they are disappointed by this additional delay. “RFA is calling on the interagency Working Group to complete this process as quickly as possible while maintaining scientific integrity and honoring the commitment to incorporate a broad range of carbon reduction strategies,” he says. “To meet the Biden administration’s SAF goals, the marketplace needs certainty and clarity.” He also says investment and innovation in SAF technologies will remain frozen until the model gets finalized and additional guidance is issued. “It’s an enormous decarbonization opportunity,” he adds.
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