Exciting news, and we need to work through the issues to bring this to mass production, but there's so many barriers to this becoming a reality... Unless we have some form of super-solar that can be installed on your roof (or at filling stations) to make electricity to make hydrogen, I just don't know if hydrogen vehicles will be plausible. You can't transport and store hydrogen the way you can gas - there's all sorts of different physical considerations, and hydrogen has the unfortunate habit of making metal it comes into contact with brittle: http://en.wikipedia.org/wiki/Hydrogen_embrittlement

It also still takes electricity to make hydrogen, so while hydrogen may be an efficient way to m...

Exciting news, and we need to work through the issues to bring this to mass production, but there's so many barriers to this becoming a reality... Unless we have some form of super-solar that can be installed on your roof (or at filling stations) to make electricity to make hydrogen, I just don't know if hydrogen vehicles will be plausible. You can't transport and store hydrogen the way you can gas - there's all sorts of different physical considerations, and hydrogen has the unfortunate habit of making metal it comes into contact with brittle: http://en.wikipedia.org/wiki/Hydrogen_embrittlement

It also still takes electricity to make hydrogen, so while hydrogen may be an efficient way to make energy portable, it doesn't solve the energy crisis in and of itself.