<http://schema.org/about>
"After two prototype generations, VW has decided to make limited quantities of the third generation of its incredibly fuel-efficiency XL1, formerly known as the 1-liter car."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/slideshows/cars/261-mpg-volkswagen-xl1-diesel-plug-hybrid-be-produced-limited-quantities/>