<http://schema.org/about>
"Biofuels could yet play a pivotal role in future energy generation if done right, according to a study released by scientists from Stanford University's Carnegie Institution. To avoid the need to displace agricultural"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/plant-on-abandoned-farmlands-to-make-biofuels-work-study-says.html>