Dec. 2, 2021
It's a notable milestone, yes. But decarbonizing air travel has a loooooong way to go, and sustainable fuel isn't all it's cracked up to be just yet.
United Airlines made aviation history this week, completing a flight between Chicago and Washington DC, using a slightly less environmentally disastrous fuel source—or, as they would prefer you call it, “sustainable aviation fuel” or SAF in aviationspeak.