NEW YORK -- United Airlines looks to bring supersonic service back to commercial aviation with jets that can fly from San Francisco to Tokyo in just six hours while shrinking the carrier's carbon footprint.
Transportation
United sees supersonic jet cutting Tokyo-West Coast flights to 6 hours
Order for US startup Boom's plane, due in 2029, ushers in carbon-neutral service
A conceptual rendering of Boom's planned jet: The planes will be able to fly twice as fast as conventional airliners, United says. (Image courtesy of United)
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