Why haven’t biofuels taken off? For years they have been touted as the fuel of the future, with high-profile commercial aircraft making headlines for pioneering all-biofuel international flights and promising a greener future for air travel. The first transatlantic flight powered solely by biofuel, a Gulfstream G450 owned by Honeywell International Inc., took place nearly a decade ago, in 2011, and was lauded as a harbinger of green jet fuel for all. At that time, Honeywell Vice President Jim Rekoske told the world, “We’re ready to go to commercial scale and commercial use.” But now, nine years later, the biofuel revolution that we were promised, both in the air and on our highways, is nowhere to be seen. As of 2020, biofuels account for a piddling amount of the global jet fuel mix, clocking in at less than .1 percent in 2018 according to data from the International Energy […]