<http://schema.org/description>
"Ever since inventors have tried to get cars moving, they&amp;#039;ve tinkered with the possibility of alternative fuel systems. What does an HHO system have to do with water, and does it actually work?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://auto.howstuffworks.com/hho-system1.htm>