[Right Wing Assault]

the cost of making the hydrogen fuel is about $3 a gallon, about the same as the average price for a gallon of gas in the United States.

This process releases hydrogen gas. You can't drive far on a gallon of hydrogen gas. If they are talking about the equivalent of a gallon of liquid hydrogen, that's a different story. The author needs to clarify (as usual).

[thackney]

Better info at the previous article posted for economics

http://www.freerepublic.com/focus/f-news/1835011/posts