<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/480x360/54cfd38bb2f2c_-_mean-green-cars-02-1112-lgn.jpg>
<http://www.popularmechanics.com/cars/g1011/10-meanest-and-greenest-cars-at-the-2012-la-auto-show/>