![]() United, which has pledged to reduce its greenhouse gas emissions 100% by 2050, said the aircraft would be optimized to use 100% sustainable aviation fuel (SAF) from its entry to service, projected to be in 2029.Ĭurrently, commercial aircraft engines are certified to fly with 50% of alternative fuel, with the rest using ordinary kerosene, but available supplies fall far short of that level.īoom's Overture, a supersonic aircraft with 65 to 88 seats which will be initially priced at business class fares, would cut transatlantic flying time by 50% to about three-and-half hours. Supersonics have come under criticism from environmentalists for burning more fuel per passenger than comparable subsonic planes. The announcement comes less than two weeks after Aerion's plans to produce a supersonic business jet faltered due to a lack of funding for production. Under the agreement, the airline will purchase 15 of Boom's "Overture" aircraft once they meet United's safety, operating and sustainability requirements, with an option for an additional 35 aircraft. (Reuters) -United Airlines said on Thursday would buy ultra-fast jets from Denver-based aerospace company Boom Supersonic, bringing back supersonic passenger travel which died out with the retirement of the Anglo-French Concorde in 2003. ![]() REUTERS/Kamil Krzaczynski/File Photo/File Photo FILE PHOTO: A United Airlines Boeing 737-800 arrives at O'Hare International Airport in Chicago, Illinois, U.S., June 5, 2019.
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