Sources: GM, AP on Yahoo! News
quote: The problem with plug-in Hybrids (including the Volt) is that you have the cost/weight of the batteries, plus the weight of the ice and the transmission.
quote: I think a range or around 15 miles would be best for a plugin hybrid. Anything higher results in too much cost/weight/space for the battery.
quote: I will say this about an Extended Range Electric Vehicle (EREV), you'll still need to take it in for oil changes every few months.