Not long ago, United Airlines made history by becoming the first U.S. airline to begin use of commercial-scale volumes of sustainable aviation biofuel for regularly scheduled flights with the departure of United Flight 708 from Los Angeles International Airport. United has agreed to purchase up to 15 million gallons of sustainable biofuel from AltAir Paramount over a … Continue reading Sustainable aviation fuels: The Digest’s 2017 Multi-Slide Guide to United Airlines