My commute is normally anywhere from 20 to 30 miles one way. I'm currently on a job that is 56 miles away. There are two stoplights in a 34 mile stretch. I normally make the trip in an hour and fifteen minutes. I have averaged any where from 13mpg to 14.5mpg all summer, with the best I ever got being 16.2mpg...that also being done on a long stretch of nonstop driving.