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Old 03-27-2011, 10:48 AM   #2 (permalink)
meelis11
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Join Date: Feb 2009
Location: Estonia
Posts: 199

Green frog - '97 Audi A4 Avant 1.9TDI 81kW
Diesel
90 day: 43.1 mpg (US)
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You dont need tank size to calculate Price per Km

You need two things:
fuel economy L/100km (Eco100km)
fuel price per liter (PriceL)

Price per kilometer (PriceKm) = Eco100km * PriceL / 100

Example:
Eco100km = 7.5
PriceL = 1.2 EUR
PriceKm = 7.5 * 1.2 / 100 = 0.09EUR
So it is 9 eurocents per Km
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