The main limitation of an electric vehicle is he cost of the battery used by it.GM Chairman and CEO Rick Wagoner ,has recently revealed that the company aims to launch its Chevy Volt by 2010.However Wagoner highlighted that the main challenge currently being faced is the high cost of the battery which is threatening to push he cost of the Volt beyond GM’s projection of $30,000/vehicle.Ultracapacitors provide an alternative to the use of batteries as they are more durable and less expensive.Maxwell Technologies is currently the largest enterprise in the Ultracapacitors segment.Maxwell’s affordable Energy Line series and the Power Line series provide an attractive alternative to batteries in virtually any application.