How hydrogen fuel systems could work.

Folks, here's how a hydrogen sytem could work. One needs a source of hydrogen--this site shows how electicity is used to remove hydrogene from water. Then, harvesting the energy requires a fuel-cell, which operates basically in reverse, producing an electical current. JC
http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/electrol.html