<http://schema.org/about>
"The new Porsche spyder is a plug-in hybrid of 211 mph and zero to 125 mph in less than eight seconds."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/the-porsche-918-spyder-an-electrified-bat-out-of-hell>