Published Dec 11, 2017 Jet engines vendor GE Aviation , a subsidiary of General Electric , has initiated trials of a jet engine combustor component with US biofuels business Gevo 's renewable alcohol - to - jet mix ( ATJ ) . The trial is being carried out as part of the Continuous Lower Energy , Emissions and Noise ( CLEEN ) program from the Federal Aviation Administration ( FAA ) , and is aimed at facilitating the replacement of petroleum - based jet fuel with environmentally friendly options .
Jet engines vendor GE Aviation , a subsidiary of General Electric , has initiated trials of a jet engine combustor component with US biofuels business Gevo 's renewable alcohol - to - jet mix ( ATJ ) . The trial is being carried out as part of the Continuous Lower Energy , Emissions and Noise ( CLEEN ) program from the Federal Aviation Administration ( FAA ) , and is aimed at facilitating the replacement of petroleum - based jet fuel with environmentally friendly options .