Bruce over at Aardvark Daily has written a nice article titled The great run your car on water scam.

The article highlights the efforts of a group of Internet marketers to con people into believing that they can violate the Second Law of Thermodynamics by using power from their car to extract hydrogen from water — which they can then use to power their cars. It’s a classic perpetual motion machine and not only does it not work but, scientifically speaking, it can not work.

Bruce also created this nice YouTube video to promote his article.