Told you so --- hydrogen fuel cells are obsolete
<GM rethinks hydrogen fuel cells
Now we need to equip those hybrids as Flexible Fuel Vehicles that can burn either gasoline or ethanol, or any combination of the two fuels. Then we need a genome project to produce a saltwater seaweed with a high cellulose content, that can be used to produce unlimited supplies of ethanol, as in my essay entitled "Benthic Energy", near the bottom of my Starship Generations website.