Chevy Colorado ZH2 What happens when Chevrolet and GM come together with the US Army Tank Automotive Research, Development and Engineering Center? You get the Chevy Colorado ZH2! Powered by a fuel cell, this monster of a truck is up for a serious job with the US Army. Of course, the designers knew this and they did not skimp on anything. The Chevy Colorado ZH2 is six-and-a-half feet tall, seven feet wide, and sits on 37-inch tires and special suspension….