​Boeing 787 flys from London to New York powered solely by animal waste; approach could reduce greenhouse gas emissions in the aviation industry by 70% (More)

(AP) The first commercial airliner to cross the Atlantic on a purely high-fat, low-emissions fuel flew Tuesday from London to New York in a step toward achieving what supporters called "jet zero."

The Boeing 787 flight was powered without using fossil fuels, relying on so-called sustainable aviation fuel made up largely of tallow and other waste fats.
Sustainable aviation fuel, which reduces greenhouse gas emissions by about 70%, is the best near-term way for the international aviation industry to achieve its net zero target by 2050, the U.S. Energy Department said, though it called the goal aspirational.

The U.S. Government Accountability Office said that while domestic production of the fuel had jumped from about 2 million gallons in 2016 to 15.8 million gallons in 2022, it accounted for less than 0.1% of the jet fuel used by major U.S. airlines. It was also a drop in the bucket compared to the goal of producing 1 billion gallons a year set in 2018 by the Federal Aviation Administration.
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