Boeing says new 737 winglet will save fuel

(Reuters) – Boeing Co has designed a new winglet for its upcoming 737 MAX, a step the plane-maker says will provide greater fuel efficiency than originally promised for the upgrade of its best-selling narrowbody. The wing-tip device will give operators fuel savings of 1.5 percent on top of the 10-12 percent savings the company says it can deliver by putting new engines in the 737. The MAX, due to enter the market in 2017, competes with the Airbus A320neo, which will also feature new engines. …

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