The HEFA Feedstock Crunch Is Coming for SAF -- Is Alcohol-to-Jet the Easy Answer?
Mathias Bøje Madsen (Topsoe/Biobased Diesel Daily) ... To date, HEFA (hydro-processed esters and fatty acids) remains the only commercialized SAF (sustainable aviation fuel) production pathway. It works by converting lipid-based feedstocks such as used cooking oil (UCO) into drop-in jet fuel,