<http://schema.org/headline>
"Volvo's driverless road train in Spain is public mainly on the plain (video)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2012/05/28/volvo-driverless-road-train-hits-public-roads-in-spain/?a_dgi=aolshare_twitter&a_dgi=aolshare_twitter>