On that day, it will deliver its first 2012 Model S luxury sport sedans to retail customers in a big webcast event at its Fremont, California, assembly plant.



But a couple of days beforehand, the EPA has issued the eagerly awaited range and efficiency numbers for the high-end Model S version with the 85-kilowatt-hour battery pack.



The car has a rated range of 265 miles, and an efficiency of 89 miles-per-gallon-equivalent, a measure based on the distance the car can travel on the amount of energy contained in one gallon of gasoline.