Green Options » pratt and whitney http://greenoptions.com/tag/pratt-and-whitney Posts tagged 'pratt and whitney' Mon, 20 Oct 2008 21:34:33 +0000 http://wordpress.org/?v=2.5.1 en Rolls-Royce Designing Energy-Efficient Propeller Engine http://cleantechnica.com/2008/10/20/rolls-royce-designing-energy-efficient-propeller-engine/ http://cleantechnica.com/2008/10/20/rolls-royce-designing-energy-efficient-propeller-engine/#comments Mon, 20 Oct 2008 21:34:33 +0000 Ariel Schwartz http://cleantechnica.com/2008/10/20/rolls-royce-designing-energy-efficient-propeller-engine/

Propeller planes aren’t exactly known as the pinnacle of aircraft luxury, but a new propeller engine currently being designed by Rolls-Royce makes up in efficiency what it lacks in comfort. The company claims that the engine could save an airline three million dollars and 10,000 tons of CO2 per year if it is introduced on 100-200 seater planes.

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