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New top story on Hacker News: Rolls-Royce tests 'game-changing' greener UltraFan engine

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New top story on Hacker News: Rolls-Royce tests 'game-changing' greener UltraFan engine New top story on Hacker News: Rolls-Royce tests 'game-changing' greener UltraFan engine Reviewed by Qamar javed on May 18, 2023 Rating: 5

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