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bestclimb · 03-05-2011, 01:00 PM

If you go 20 miles@ 10 mpg you burned 2 gallons
20 miles @20 mpg you burned 1 gallon
20 miles@ 40 mpg you burned .5 gallons

so miles/mpg=fuel used

13.4/39=.344 gallons
8.6/28=.307

so you save.037 gallons by going the shorter distance.

At this point I would be looking at which route took less time and was easier on me and the car. weighing how much that 0.04 gallons is worth.

03-05-2011, 01:00 PM	#3 (permalink)
bestclimb Smeghead Join Date: Oct 2009 Location: South Central AK Posts: 933 escort - '99 ford escort sport 90 day: 42.38 mpg (US) scoobaru - '02 Subaru Forester s 90 day: 28.65 mpg (US) Thanks: 32 Thanked 146 Times in 97 Posts	If you go 20 miles@ 10 mpg you burned 2 gallons 20 miles @20 mpg you burned 1 gallon 20 miles@ 40 mpg you burned .5 gallons so miles/mpg=fuel used 13.4/39=.344 gallons 8.6/28=.307 so you save.037 gallons by going the shorter distance. At this point I would be looking at which route took less time and was easier on me and the car. weighing how much that 0.04 gallons is worth. __________________ Learn from the mistakes of others, that way when you mess up you can do so in new and interesting ways. One mile of road will take you one mile, one mile of runway can take you around the world.