In Washington state, the two biggest challenges facing broader adoption of sustainable aviation fuel at Sea-Tac are the higher cost compared with petroleum jet fuel, and the constraints imposed by state and federal regulations on use of airport funds. A report, titled Innovative Funding for Sustainable Aviation Fuel at U.S. Airports: Explored at Seattle-Tacoma International, … Continue reading Report says high aviation biofuel costs and regulation over airport spending obstacles for fuel uptake