<http://schema.org/description>
"It's uncertain whether General Motors thought fuel-efficiency needed a touch of class or luxury needed a touch of economy, but a new car model made it clear that GM was thinking green in one or two ways..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cheatsheet.com/business/stock-news/gm-merges-class-and-fuel-efficiency-a-revolution.html/>