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FAA approves Alcohol to Jet (ATJ-SPK) pathway

The US Federal Aviation Administration (FAA) has approved the isobutanol Alcohol to Jet Synthetic Paraffinic Kerosene (ATJ-SPK) pathway. Isobutanol can be derived from renewable feedstock such as sugar, corn or forest wastes. In collaboration with the aviation industry, the FAA approves new renewable jet fuel pathways through ASTM International. The ATJ-SPK approval is the fifth approved product for use in air travel. Other previously approved fuels include: Synthesized Iso-parafins (SIP), which convert sugars into jet fuel; Hydro-processed Esters and Fatty Acids Synthetic Paraffinic Kerosene (HEFA-SPK), which use fats, oils and greases; Fischer-Tropsch Synthetic Paraffinic Kerosene (FT-SPK) and Fischer-Tropsch Synthetic Kerosene with Aromatics (FT-SKA), which use various sources of renewable biomass such as municipal solid waste, agricultural wastes and forest wastes, wood and energy crops.

5307/AS

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