" A truck modified to rely heavily on hydrogen gas drove 2,650 miles from California to Washington, D.C., and arrived Friday, according to the Army. "

http://www.sciencedaily.com/upi/inde...-army-fuel.xml
Hydrogen-cell truck makes X-country trip

" The U.S. Army's Tank Automotive Research Development and Engineering Center, SunLine Transit Agency and Southwest Research Institute retrofitted a standard Class 8 commercial truck to use a fuel cell auxiliary power unit that runs on hydrogen gas to power the engine's electrical functions. "