Including commercial vehicles? It would be a truly significant change, but at this point, probably too little too late. Still, it would be a shocking change, an

Including commercial vehicles? It would be a truly significant change, but at this point, probably too little too late. Still, it would be a shocking change, and it would also potentially greatly reduce city pollution around world, reduce deaths and illness from related effects. http://www.ucsusa.org/clean-vehicles/car-emissions-and-global-warming#.Wba5uNEpCf0 http://www.ucsusa.org/clean-vehicles/car-emissions-and-globa...