<http://schema.org/headline>
"Chevy Volt nabs shaky 230 MPG rating, might not ship in 2010"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/08/11/chevy-volt-nabs-shaky-230-mpg-rating-might-not-ship-in-2010/>