<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/980x598/546b6cf26a7ca_-_epa-allows-15-percent-ethanol-in-gasoline-but-only-for-2007-cars-or-newer-lg.jpg>
<http://www.roadandtrack.com/car-culture/a16434/epa-allows-15-percent-ethanol-in-gasolinebut-only-for-2007-cars-or-newer/>