Greening where it matters most – The aviation industry
2008 October 23
Air travel produces about 2-3% of the world’s total CO2 emissions and passenger distances are growing at annual rate of 6-7%. The propeller engine led aviation to some of its greatest early achievements, but the noisy engine was quickly replaced by the quieter, fuel-guzzling turbojet engines primarily used today. But now that fuel costs are much higher and airlines are feeling the pressure to green-up, Rolls-Royce has redesigned the historic technology to be quieter and more energy efficient. Rolls-Royce isn’t alone in their innovative nostalgia — General Electric, Pratt & Whitney and Snecma all are working on propeller engine prototypes.
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