Not long after establishing a prototype EV battery switching station in Japan, Better Place is now partnering with Nihon Kotsu, Tokyo's largest taxi operator, to put the thing through its paces, swapping out batteries for up to four electric hacks scheduled to run from the Roppongi Hills shopping and office complex beginning in January next year. In Tokyo, cabs account for only two percent of the traffic, yet they produce twenty-percent of its CO² emissions -- a fact that further drives home the point that greening our public transportation is an imp