|
You can roughly calculate that. My car burns about 0.3 gallons per hour at idle. Neutral rolling mpg = mpg / gph. 10 mph = 33 mpg, 20 mph = 67 mpg, 30 mph = 100 mpg and so on. Your idle might burn a little more than mine so adjust those numbers down.
__________________
11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
|