A Chevrolet Colorado floated over large cement blocks down a road at General Motors Proving Ground at a good clip.
At first listen, it’s like the truck is part of a silent film, but birds tweeting and leaves rustling validate the existence of sound.
This is what it’s like to hear the ZH2 hydrogen cell-powered demonstrator at work that GM and the U.S. Army’s Tank Automotive Research Development and Engineering Center developed together to inexpensively and rapidly bring the technology to soldiers for testing.
Stealth is one of the most promising benefits of hydrogen fuel cell technology when it comes to military applications.