A version of this article appears in the September 1 issue of Aviation Week & Space Technology. I greatly enjoyed the highly detailed “Road Map” (AW&ST Aug. 25, p. 36), outlining the new Rolls-Royce turbofan strategy. Now all three engine manufacturers have plans in place to develop engines that offer lower noise and double-digit improvements in fuel burn—a boon for the flying public. Several years ago Rolls was engaged in a legal battle with Pratt & Whitney ...

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