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This aircraft made the first bio-fuel powered flight for United Airlines in November 2011. The biofuel is algae-based and includes 60 percent petroleum fuel and 40 percent biofuel produced by a company named Solazyme
This photo is copyright © Derek Gaynor, and may not be used or published in any way without permission.
It was added on 27 December 2019, and has since been viewed 85 times.