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Rolls-Royce, easyJet Test Hydrogen Fuel in Engine

March 26, 2026

1 min read

Key Takeaways

Rolls-Royce and easyJet tested a Pearl 15 engine on 100% hydrogen fuel.
The test was conducted at NASA's Stennis Space Center.
The engine ran across a simulated flight cycle.
The test marks an industry first for 100% hydrogen fuel in a jet engine.

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Strategic Implications

This successful test may indicate a significant step towards hydrogen as a future aviation fuel, suggesting potential for reduced emissions in the industry. The results could strengthen the case for gas turbines in lower-emission aviation, which may influence future engine development and investment in sustainable fuels.

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What Happened

Industry First For 100% Hydrogen Fuel In Jet Engine Test

Rolls-Royce and easyJet have successfully completed ground testing of a modified Pearl 15 engine running on 100% hydrogen fuel at full takeoff power. The test, conducted at NASA’s Stennis Space Center, demonstrated the engine’s ability to run safely on gaseous hydrogen under simulated real-world conditions. This achievement marks an important step towards easyJet’s net zero carbon emissions pledge and the broader shift towards lower emissions in aviation, as reported by AeroTime.

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