Originally Posted by
sherwood
it's summer, the number one cause of lower gas mileage in any car in the summer is having the A/C on-- and you wouldnt believe how many people bitch about it before they notice it's just the A/C
On the highway, it doesn't help to leave the A/C off and open the windows, either. At highway speeds, open windows cause a lot of aerodynamic drag, reducing gas mileage. Maybe this is the cause?