Boeing's Jets of the Future Will Be 60 Percent More Fuel Efficient Thanks to Natural Gas [Airplanes]

Using the moniker SUGAR (Subsonic Ultra Green Aircraft Research), Boeing has been hard at work developing a series of jets that will take us from point A to point B in the future. They've already developed concepts for a hybrid-electric passenger jet, and now with the SUGAR Freeze, they reveal their plans for an aircraft powered by natural gas. More »

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