<http://schema.org/about>
"One of the results of last week's MPG Marathon was taking a Chevy Captiva SUV filled with seven people, and getting just over 42mpg out of it - 14% better than the official 37mpg.  The Marathon was a UK-based two day trip using fuel-saving driving"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/mpg-marathon-makes-suv-sip-fuel.html>