What plug-in car would you send your kids back to school in? Take our Twitter poll

Zipcar will add the 2012 Ford Focus to its college car-sharing locationsKids are getting ready to go back to school and many will need wheels. Yet many environmentally conscious youngsters—and parents—may no longer accept a gas-burning machine, or at least not one that has to burn gas everywhere it goes. Last week, we suggested seven plug-in cars that would make great back-to-school rides. CHECK OUT: The 7...