General Motors and U.S. Army tank researchers  will show off a  Chevrolet Colorado-based fuel-cell electric vehicle in October in Washington, D.C. Army officials, based at the U.S. Army Tank Automotive Research, Development and Engineering Center, known as TARDEC, in Warren, will use the vehicle to demonstrate fuel-cell electric propulsion and power generation systems that can bring the military quieter mobility, exportable power generation, low-end torque and water generation.

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