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Army Testing Hybra-Drive Hydraulic Hybrid

Instead of the traditional electric-gasoline hybrid that's familiar to most consumers, Mr. O'Brien's company is perfecting a more efficient form of propulsion by harnessing age-old hydraulic technology. "Six years ago it occurred to me that electric propulsion probably isn't the right way to build a hybrid," he says.

Submitted by Gareth Wiscombe on 13 Sep 02:47 and has 0 comments

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