Why waste money in an exotic way when we could waste it building a bunch of windmills?
All joking aside, I'd agree with you to some degree if there seemed to be any solid science supporting cold fusion. Based on comments that my physicist friends have told me, cold fusion is a dream on the order of a perpetual motion machine.
This guyhas been around for years... dunno if a working model exists...
http://www.blacklightpower.com/