<http://schema.org/about>
"The EPA and UPS have unveiled what they are calling \"the most fuel-efficient and cost effective delivery vehicle in the world\", equipped with an EPA-patented hydraulic hybrid propulsion system. We noted that these new trucks were on their way back"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/ups-unveils-worlds-most-efficient-delivery-vehicle.html>