‘Guilt-free’ holiday flights powered by carbon-free hydrogen are one step closer after Rolls-Royce built a NASA-tested engine which could be used in passenger planes.
In a world-first, a Rolls-Royce Pearl 15 aircraft engine usually used in private jets was powered with 100% hydrogen during several weeks of testing at NASA’s Stennis Space Center in Mississippi.
It is the first time an airline engine has been run on 100% hydrogen while simulating all the power surges required for a typical commercial flight, such as accelerating for take off.
The successful test marks the latest milestone in moving global aviation towards greener fuels and away
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