Rolls-Royce announces on July 8, 2026 that its Pearl 700 engines successfully powered the first flight of the Gulfstream G800 using 100% Sustainable Aviation Fuel (SAF). The flight was part of Gulfstream Aerospace’s high-altitude flight test campaign, demonstrating the potential for 100% neat SAF to reduce contrail-forming particle emissions at altitudes up to 50,000 feet. …
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