And the Model S is being compared at less than ideal conditions by using the most expensive electricity in America. At California prices it costs 6.5¢/mile, an

And the Model S is being compared at less than ideal conditions by using the most expensive electricity in America. At California prices it costs 6.5¢/mile, and at average US prices it costs 4.7¢/mile. When you use Tesla's Supercharger stations it's free.