NASA-DLR Study Finds Sustainable Aviation Fuel Can Reduce Contrails

Cleaner-burning jet fuels made from sustainable sources can produce 50%-70% fewer ice crystal contrails at cruising altitude, reducing aviation’s impact on the environment, according to research conducted by NASA and the German Aerospace Center (DLR).

 

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A photo of the DLR ATRA aircraft leaving contrails while using alternative fuels. It was taken from a DLR Falcon during the 2015 ECLIF-I research flights. Credits: DLR
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