<http://schema.org/about>
"Prius cars utilize regenerative breaking to harvest energy and recharge the battery... and that's true when they're used as roller coasters. A team of makers decided that they wanted to see what else a Prius could become, and so"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/toyota-prius-hacked-into-energy-generating-roller-coaster-video.html>