Originally Posted by c1apton
He's right, you can get mileage with your foot vs cruise. Cruise doesn't have a concious view of the road, where you can back off in advance or accelerate at a milder pace.
When I'm on a level road, no hills, my cruise control keeps me in the 40mpg range, of course, granted, when a hill approaches, my mpg drop, but it's not as much as if I were to use by foot. It could just be that my driving habits are different than some.