Visitors who fly to China on a Boeing jet may soon find that the oil used to cook the spicy street food they sample is the same fuel that powers their journey home.
Boeing said in a statement that it has cooked up a plan to use the waste cooking oil from China's restaurants and street vendors, known as "gutter oil", into sustainable aviation biofuel.
The project is a joint venture between Boeing and Chinese state-owned aerospace manufacturer Comac.
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