We can dream! Someday, once technology allows, 199.9 will be on the low side! For now, all we can do is put it in ECO, drive on eggshells and not be in a hurry to get anywhere. Tops, that'll be good for +/- 60 mpg unless everywhere you go is downhill (not possible). Still, it's always cool to see a high number. Best accuracy would be to set your 'B' gauge to reset upon fill-up. Individual trips are cool and all, but the tankful is where the real results are. That said, 55.9 isn't bad either!
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