United Airlines' environmental aspirations depend on corporate clients getting on board, according to new language in the airline's annual report.
United is aiming to lead the development of sustainable aviation. It claims investments in the future production of more than 3 billion gallons of sustainable aviation fuel, the most of any airline in the world. It says it's on track to achieve net zero carbon emissions by 2050 — without carbon offsets. It recently claimed a first among U.S. carriers by adding . . .