<http://schema.org/about>
"The U.S. Environmental Protection Agency (EPA) has released its 2012 annual report on fuel economy for vehicles sold in the United States, and the results show that we're making some progress"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/us-fuel-economy-shows-biggest-gain-1975.html>