This Shuttle Keeps Driving if You Keep Singing, to Promote Clean Energy

If being trapped in a car with people singing nonstop doesn't sound like your idea of a good time, you may want to sit out the Ruisrock festival in Turku, Finland this year. Between July 6 and 8, festival-goers will be able to catch a ride on the Singalong Shuttle--an electric car that accepts payment...