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Sustainable Aviation Fuel

Sustainable Aviation Fuel

Old Oct 6, 2023, 9:54 am
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Sustainable Aviation Fuel

Airlines go through tremendous amounts of fuel United Airlines alone will burn 4 billion gallons of jet fuel this year, adding 40 million tons of carbon dioxide to the atmosphere, double the amount of every car in Illinois and many airlines have cited sustainable aviation fuel, or SAF, as the future. SAF is made from cooking oils, animal fats and agricultural waste. This all sounds nice, but its an incredibly niche product: Its made by a handful of companies, costs twice as much, and now accounts for 0.1 percent of the world supply of jet fuel. United has promised to hit 10 percent SAF by 2030, but as of 2022 SAF is just 0.08 percent of its jet fuel usage, and that leads its competitors American (0.07 percent SAF) and Delta (0.05 percent SAF). Indeed, despite lots of ambitious talk about it, the leading SAF user among airlines DHL, which used 9.1 million gallons in 2022 uses SAF for just 1.27 percent of its fuel.

Ben Elgin, Bloomberg
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