*With the stock aft-body,the EV1 comes in at what GM now says,Cd 0.21.
*With boat-tailing and other tricks she drops to around Cd 0.15.
*If we take the aft-body and loft it up closer to the 'Template' we've got a shot at Cd 0.10.
*So while very good,the EV1 is still good for a 50% drag reduction.