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Old 05-24-2011, 10:25 AM   #28 (permalink)
PaleMelanesian
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Join Date: Dec 2007
Location: Texas
Posts: 2,316

PaleCivic (retired) - '96 Honda Civic DX Sedan
90 day: 69.2 mpg (US)

PaleFit - '09 Honda Fit Sport
Team Honda
Wagons
90 day: 44.06 mpg (US)
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What's your idle gph? Mine's about 0.3. Compare that to the gph of EOC = 0. Now apply that difference to half of the drive that I EOC. It makes a big difference.

Estimated 0.3 * (0.5 hour drive * 1/2 (eoc percent)) = 0.075 gallons
Regular commute = 0.14 gallons (10.5 mi / 75 mpg)
0.14 + 0.075 = 0.215
10.5 / 0.215 = 48.8 mpg if I engine-on-coast instead. That's a 35% drop!
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
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