I recently went 858 miles between fill ups, so a lot of EV driving. The fill up was 4.6 gal and the total electricity used was 197 KWH. 149 MPG or 84 MPG or 62 MPG. The Clarity's trip computer showed 189 MPG. Using the government energy equivalence of 33.7 KWH to a gallon, I get 84 MPG. Those 197 KWH's at my average electricity cost would have bought 9.2 Gallons at today's fill up price, for a price equivalence of 62 MPG. Of course the first is just a fantasy, but between the latter two, which one to use when people ask about my fuel economy?