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Originally Posted by lakedude
My personal lifetime display shows 63.9 mpg but I enter the mileage calculated at the pump so my sig shows 61.8 mpg from the pump figures.
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Excellent! I used the same methodology, the tripmeter divided by pump recept gallons. There has been some buzz in the Prius groups about using the online display MPG versus the calculated MPG. When the gas pumps use my online display to charge for gas, I'll switch camps but for now, I prefer manual calculations.
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Originally Posted by lakedude
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Ahhh, I see it now. The 47.5 is from the 'Prius II', the NHW20 models. I was confused and thought we might have been discussing user "City" mpg results. I've adopted a twice a week 'top off' to keep my City driving separate from my weekend Highway driving. I've also been paying more attention to the EPA City and Highway driving profiles:
http://www.fueleconomy.gov/feg/fe_test_schedules.shtml
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City: Represents urban driving, in which a vehicle is started with the
engine cold and driven in stop-and-go rush hour traffic. The driving
cycle for the test includes idling, and the vehicle averages about 20
miles per hour.
Highway: Represents a mixture of rural and Interstate highway driving
with a warmed-up engine, typical of longer trips in free-flowing
traffic. Average test speed is about 48 miles per hour and includes no
intermediate stops or idling.
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As I have adopted EPA driving profiles, I'm starting to see simular and even better results from my NHW11 Prius I.
Bob Wilson