Rolls-Royce starts build of UltraFan aero-engine; 25% fuel efficiency improvement over first generation Trent
Green Car Congress
MARCH 30, 2021
Rolls-Royce has officially started building the world’s largest aero-engine, UltraFan. As engine build starts, other key parts are already coming together for delivery to Derby. Artist’s impression of the UltraFan demonstrator. The first test run of the engine will be conducted on 100% Sustainable Aviation Fuel.
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