<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cab1d0c448c_-_volt-emissions-2-lg.jpg>
<http://www.popularmechanics.com/cars/hybrid-electric/a6550/chevy-volt-pollutes-more-than-vw-diesels/>