Panasonic's 3.1Ah batteries to be used in the Tesla Model S, have highest energy density yet -- Engadget This is VERY good news, the Model S should be able to achieve (or exceed?) it's target range and stay on track for it's previously announced production dates. An earlier announcement suggested that the Model S may use a Daimler chassis and if behind the scenes work is ongoing like we hope the Model S could still come out by 2012.:cheer2: