<http://schema.org/about>
"Now that we've got some distance from the 'biofuels are going to save us, oh wait they're going to kill everything else' hysteria of a couple years back and some sane skepticism has emerged, how well are we doing? As"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/biofuels-falling-well-short-of-green-standards-in-uk.html>