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mpg gas milegae

  1. 25% reduction in MPG in one tankful

    smart Fuel Economy
    I use a locally blended 93 octane fuel. I have used for the past 50 fillups. The first 48 averaged about 35 mpg. The last two fillups have only averaged 27. Nothing, that I am aware of, has changed. The smartie is a 2010 Pure with no modifications and it has never been back to the...