 The claims discussed here do not address the source of carbon needed to make up the balance, and instead propose that just a small amount of X would suffice, which is impossible due to conservation of mass.Also note that nuclear processes only found inside stars would be necessary to transmute hydrogen into carbon.The storyline of the 1943 Laurel and Hardy film, "Jitterbugs", revolves around a con man (Bob Bailey) selling gas pills during the fuel rationing days of WWII.