Flying High With Low-Carbon Ethanol

Ethanol and Sustainable Aviation Fuel


Nov. 1 Update: Sustainable Aviation Fuel Industry Leaders Call on Biden Administration to Immediately Recognize Argonne GREET Model


Last year’s Inflation Reduction Act created tax credits meant to stimulate the production and use of sustainable aviation fuel (SAF), a critical tool in the aviation sector’s decarbonization strategy. To qualify for the tax credits, SAF must reduce lifecycle greenhouse gas emissions by at least 50% compared to conventional jet fuel.


RFA and many others—including airlines, SAF producers, farm groups, members of Congress and university researchers—have argued that the Department of Treasury should finalize its guidance for the tax credit by recognizing the Department of Energy’s GREET model as a “similar methodology” to the referenced model (established by the United Nations’ International Civil Aviation Organization, or ICAO), for the purposes of determining SAF carbon intensity. While the DOE GREET model uses current information about crop and ethanol production, the ICAO model uses significantly outdated information,

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