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Continue to ChatF-22 Raptor flown on synthetic biofuel https://aviationnews.eu/news/2011/03/f-22-raptor-flown-on-synthetic-biofuel/
F-22 Raptor flown on synthetic biofuel https://aviationnews.eu/news/2011/03/f-22-raptor-flown-on-synthetic-biofuel/