Flights Demonstrate Capability To Reach 100% SAF

Rolls-Royce’s Trent 1000 engine ran on 100% SAF on the company’s Boeing 747-400 flying testbed.
Credit: Rolls-Royce
Two different approaches to reaching 100% sustainable aviation fuel (SAF) use in aircraft have been tested in flight. On Oct. 13 United Airlines conducted a test flight on a blend of two synthetic fuels that produced a 100% drop-in replacement for petroleum jet fuel, while Rolls-Royce conducted a...

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