<http://schema.org/headline>
"Porsche 918 Spyder offers 718 horsepower, zero to 62 in 3.2 seconds, and 78 mpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/porsche-918-spyder-offers-718-horsepower-zero-to-62-in-32-seconds-an>