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NASA awards $16.5M to four teams for additional research into reducing aircraft fuel consumption, emissions and noise

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The teams first studied the ideas from October 2008 to April 2010. Cessna Aircraft Company-Cessna Citation, Wichita, Kan., If engineers can design a smooth edge without the current standard slats, airplanes would be quieter and consume less fuel at cruise altitudes because of the smoother flow of air over the wings.

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