A powder blue airplane flew from London to Glasgow in September to deliver on a promise. Airlines around the world have committed to decarbonizing the industry – the British Airways flight was meant to demonstrate a decade of progress toward that goal.
Sustainable aviation fuel (SAF), made partly from recycled cooking oil, along with more efficient engines, a sleeker design and improved air traffic management helped reduce the flight’s carbon emissions by 62% compared with a similar trip in 2010,
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