<http://schema.org/about>
"According to stats compiled by the California New Car Dealers Association (CNCDA), hybrid cars now represent 7% of the market in California, with 59,300 units sold during the first half of 2013."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/hybrid-cars-7-vehicles-sold-california-so-far-year.html>