“The H2H is a bold experiment that along with the Hydrogen Highway Network will help California demonstrate the economic and technical viability of hydrogen,” said Gov. Arnold Schwarzenegger. “Californians invent the future. The H2H – a HUMMER fueled by hydrogen, with its main tailpipe emission being water vapor – is a vision of the future. This is a learning vehicle that will illustrate how a thriving economy and ecology can co-exist.”

“The H2H was created for two purposes,” said Beth Lowery, GM vice president, Environment & Energy. “It brings focus and attention to the journey to a hydrogen economy, and it will provide GM with key learnings on hydrogen storage, hydrogen delivery systems, and hydrogen refueling infrastructure development.”

The H2H is a HUMMER H2 that has been extensively re-engineered to operate on gaseous hydrogen fuel. The truck uses a supercharged version of the truck’s original Vortec 6000 (6.0-liter V-8) internal combustion engine. The H2H is not intended for production.