Drivers pay an extra 26 cents per gallon of gas for every five miles per hour they go over 50.
That's from the folks at Budget Travel, who looked at some of the most common mistakes that siphon gas away.
Another is too much luggage in and on the vehicle.
Luggage on top of a vehicle can cut wind resistance, decreasing fuel economy by two-percent.
An extra 100 pounds in the trunk reduces fuel economy by 1 to 2 percent or 4 to 8 cents a gallon.
Drivers pay an extra 26 cents per gallon of gas for every five miles per hour they go over 50.
That's from the folks at Budget Travel, who looked at some of the most common mistakes that siphon gas away.
Another is too much luggage in and on the vehicle.
Luggage on top of a vehicle can cut wind resistance, decreasing fuel economy by two-percent.
An extra 100 pounds in the trunk reduces fuel economy by 1 to 2 percent or 4 to 8 cents a gallon.