Quote:
Originally Posted by Old Tele man
...when you're "coasting" the car is accummulating MILES but only consuming "idle" amounts of fuel, so the instantaneous-MPG becomes a large number being divided by a very small number.
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i get that, but it throws the average up in a huge way, and if you then divide miles by fuel used the average is much lower.
I'm wondering if i should sum miles and fuel over time and then divide one by the other.
so if i do 50 miles, and use one gallon, then coast for a mile, my average is 51mpg.
I guess i need to work out that way instead of dividing speed by fuel/h...