<http://schema.org/about>
"It may be some editorial hyperbole to equate a mandate that would require more vehicles be capable of running on biofuels to switching your drug of choice from, say, heroin to vodka, but ultimately neither situation"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/senators-want-to-switch-drugs-rather-than-kick-the-habit-flex-fuel-vehicle-legislation-introduced-into-congress.html>