http://en.wikipedia.org/wiki/Hydrogen_power

http://www.popularmechanics.com/technology/industry/4199381.html

http://en.wikipedia.org/wiki/Hydrogen_vehicle

http://www.pbs.org/newshour/bb/science/july-dec03/hydrogen_10-20.html

http://www.hydrogenpower.com/

http://www.renewableenergyworld.com/rea/tech/hydrogen

http://hydrogen-power.com/

http://www-formal.stanford.edu/jmc/progress/hydrogen.html

http://www.energy.gov/energysources/hydrogen.htm

http://peswiki.com/index.php/Directory:Hydrogen