<http://schema.org/about>
"Two things which I think are worth keeping front and center when discussing how we wean ourselves off our petroleum addiction: Travel between nations is good; trade between nations is"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/how-can-we-reduce-oil-consumption-still-ship-goods-and-ourselves-around-the-globe.html>