There's no debate that batteries for electric cars remain absurdly expensive and one of the main hurdles to widespread EV acceptance. A team of electric vehicle converters at the ChargeCar project at Carnegie Mellon University in Pennsylvania is trying to solve the puzzle by using low-cost lead acid batteries coupled with a supercapacitor and four electric motors. The powerplant was installed in some sort of Scion model in order to prove that the team's goal – expressed by team leader Illa
Although a bit pricey, the eBox has an advantage over other electric cars expected to compete in this category: Toyota reputation. The eBox is a Scion xB converted to run on electricity by AC Propulsion. Therefore it has all the amenities offered by Scion and enjoys the reputation of quality and durability from Toyota. Other electric cars coming to market in the $50,000 price range are based on less-known platforms.