First jet aircraft powered by biodiesel

According to Official Guinness Records,

On 2 October 2007, the first flight of a jet fighter powered only with 100% biodiesel fuel took place at Reno, Nevada, USA. The aircraft was a Czechoslovakian Delfin L-29 (Albatross). It reached 5,181 m (17,000 ft) without any significant loss of performance compared to flight with conventional fuel. A series of tests had been undertaken with a blend of jet fuel and biodiesel and, gradually, the amount of biodiesel was increased until test data with 100% biodiesel, made from French-fry grease, was found to be acceptable for a test flight.

For a complete list of 2007 records, please visit 2007 Guinness Records in United States.

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