… pound NiMH battery pack that is still going strong today! What in the world are they talking about shelf life for? The Toyota Motor Company is truly a mystery to us. Just give us the option of plugging in our Prius! From Green Car Congress: … The 2010 Toyota Prius Plug-in Hybrid vehicle (PHV) made its North American debut at the Los Angeles Auto Show. Built specifically to support a global demonstration program that begins this month, the Prius PHV is based on the …