<http://schema.org/about>
"\nPhoto: Flickr, CC\nCould Save Millions of Dollars Per Year\nVehicles without regenerative braking are throwing away a lot of energy every time they brake (movement is converted into heat via friction on the brake pads). Hybrid and electric car address"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/could-subway-trains-generate-power-with-regenerative-braking.html>