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They say an Army moves on its stomach. And, perhaps its vehicles on fossil fuel. But it would appear those vehicles are getting less dependent on gasoline and diesel, and more dependent on batteries. General Motors is developing battery pack prototypes for the Defense Innovation Unit, as a matter of fact. To go further down the road on this topic, Federal Drive host Tom Temin talked with JD Johnson, VP of Business Development for GM Defense and retired Army three-star general.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices