The Governator, a.k.a Arnold Schwarzenegger, is now talking up "the hydrogen economy of the future," which will supposedly save us from our energy woes.  Or maybe it'll be electric cars, biofuels and solar. Or all of the above. If this were a wrestling match, Governor Arnold would have that dirty old oil economy down on the wrestling mat, begging for mercy. The trouble is that the stern laws of physics are different from pro wrestling and Hollywood action epics. Because the current crop of "solutions" have one thing in common. They require more energy to manufacture than they yield. They are lousy energy conversion and transport methods, not new energy sources. High school physics students are supposed to know that energy sources can only be converted from one kind to another, but there's no "conventional" way to create it. Only in your dreams, Governor, Sir. Science knows of only two ways to obtain energy on this planet. Either we convert it from...(Read Full Post)