
General Motors [GM] on Monday unveiled a rugged off-road truck powered solely by an hydrogen fuel cell.The Chevrolet Colorado ZH2 rolled out at the Association of the U.S. Army’s annual exposition in Washington, D.C., will undergo Army field testing next year to validate the suitability of hydrogen-powered vehicles for combat duty and a variety of military mission.The Army will evaluate the ZH2 fuel cell for its ability to run near-silent for covert operations, reduced acoustic and thermal signatures, high wheel…