NEXT Renewable Fuels Latest United becomes first US airline to invest in biofuel refinery News United becomes first US airline to invest in biofuel refinery Airlines News and Analysis November 17, 2022 Subscribe Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.First name *Last name *Email address *Interests *InterestsAir TransportAviation ServicesBusiness and General AviationDefenceEvent WrapsFuture WorkforceIn the SpotlightInnovation and TechnologyLeadershipManufacturingRegulationRotorcraftSpaceSustainabilityUnmannedUrban Air Mobility *I agree to Aerospace Global News' Privacy PolicySubscribe