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average mileage

  1. Why does average mileage stop at 250+?

    Suggestions for GM - Chevy Volt
    It would seem minor programming and electrical use to compute the actual. As I am getting a bit more than 1000 to the gallon I guess there might not be enough digits for than but why not 999? Incidentally I picked my Volt up on Oct 14 and still have about 1/2 the tank of gas that they gave me on...