[PHOTOS] GM Brings Hydrogen-Powered War Elephant to US Army

[PHOTOS] GM Brings Hydrogen-Powered War Elephant to US Army

One of the big problems with getting new vehicle propulsion technology to…

GM Tradmark Application Shows New Hydrogen Fuel Cell Engines to Be Called Hydrotec

GM Tradmark Application Shows New Hydrogen Fuel Cell Engines to Be Called Hydrotec

One green driving detail that has fallen somewhat into the background as…