Rolls-Royce Tests 100% Sustainable Aviation Fuel for Business Jets
Nicola Muckelroy

Rolls-Royce Tests 100% Sustainable Aviation Fuel for Business Jets

Aims for all its engines to be net zero carbon by 2050

Rolls-Royce has conducted the first tests of 100% Sustainable Aviation Fuel (SAF) in a business jet engine, as part of its ongoing ambition to play a leading role in enabling the sectors in which it operates reach net zero carbon by 2050.

The tests on their latest business aviation engine in development, the Pearl 700, in Dahlewitz, Germany, come just weeks after unblended SAF was successfully used for the first time in engine ground tests on a Trent 1000 engine in Derby, UK.

This test demonstrates once again that its current engines for large civil and business jet applications can operate with 100% SAF as a full “drop-in” option, laying the groundwork for moving this type of fuel towards certification.

At present, SAF is only certified for blends of up to 50% with conventional jet fuel and can be used on all current Rolls-Royce engines.

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The SAF that was used in the tests was produced by low-carbon fuel specialist World Energy in Paramount, California, sourced by Shell Aviation and delivered by SkyNRG.

This unblended fuel has the potential to reduce net CO2 lifecycle emissions by more than 75% compared to conventional jet fuel, with the possibility of further reductions in future.

The highly efficient Pearl 700 offers a 12% better thrust-to-weight ratio and 5% higher efficiency, while maintaining its class-leading low noise and emissions performance.

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