<http://schema.org/about>
"Madness! And I don't mean the British band...The corn ethanol supporters are probably not very familiar with the concept of opportunity cost. Either that, or the subsidies and high corn prices are just to juicy to give up. Only about"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/the-us-now-uses-more-corn-for-fuel-than-feed.html>