That aggressive target has forced GM to compresslithium battery pack the industry's established timeline for developing a new car by conducting experimental testing on the battery systems crucial to the Volt even as developers push ahead with work on the vehicle's other components
GM is designing the Volt to run for 40 miles lithium battery packpowered by a 400-pound lithium-ion battery pack that can be recharged at a standard electric outlet when the vehicle is parked
