<http://schema.org/about>
"This is, well, strange. It's a device you can drag around behind you to gather kinetic energy. Called the Green Erg, it is a human-powered electricity-generator developed by Dr. Cedrick Ngalande, who hopes that it will be a solution"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/green-erg-device-rolls-behind-you-for-lots-of-kinetic-power.html>