<http://schema.org/vehicleEngine>
"Mercedes-Benz V6 3L 188HP"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.rvusa.com/rvs-for-sale/2017/coachmen-class-c-2200-le-class-c-new-byron-georgia-31008-1921738>