EV's are great for getting around in a green-conscious way, but plug-in people must practice patience while waiting hours to juice up their ride. Better Place's battery swapping stations offer much faster EV refueling, which is why China Southern Power Grid Co. (CSG) is betting big on the technology. The Chinese utility giant has teamed up with Guangzhou's municipal government and Better Place to build a power pack exchange depot and an EV education center. With exhibits, meeting rooms, and EVs t