Why: under warranty: 21,700 service miles and/or 4 years may run until "wheels fall off" beyond warranty period MANDATORY REQUIREMENTS Fast DC charging network density - ~0.33 of maximum range distance Must be able to pass by closest Fast DC chargers to reach next Full charge in less than one hour Automated Driver Assistance Must use just the vehicle sensors may augment with previously stored maps No recurring fee Tow 2,000 lbs Trailer qualified which relaxes Fast DC charging network density under tow Fold flat rear seats and passenger seat Provide sleeping and/or cargo space Bob Wilson