I am skeptical because of the story of Andrea Rossi, the inventor of the device:<p><a href="http://translate.google.com/translate?sl=it&tl=en&js=n&prev=_t&hl=it&ie=UTF-8&eotf=1&u=http%3A%2F%2Fit.wikipedia.org%2Fwiki%2FPetroldragon" rel="nofollow">http://translate.google.com/translate?sl=it&tl=en&js...</a>