<http://schema.org/headline>
"VW XL1: The world's most efficient 'production' car debuts in the U.S. (261 MPG)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/cars/vw-xl1-worlds-most-efficient-production-car-debuts-us-261-mpg/page/2/>