<http://schema.org/about>
"A British company spent a million quid developing and building this \"Electro-Kinetic Road Ramp\" -\"The Ramp operates by virtue of a number of articulated plates placed in the road. When vehicles weight is exerted on the plates they are moved up and down"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/renewable-energy/ramp-creates-power-as-cars-pass-or-does-it.html>