Our final week in this series begins with a tip that I see broken nearly every time I go on a longer trip--especially if I go on interstate highways.
Remove Anything that Causes Drag. While there are times that certain items have to be attached to a vehicle, some leave items on a car or van even when not in use, and they cause drag. The more drag, the less gas mileage.
Some of these items include ski holders, bike racks, luggage racks and canoe/kayak carriers. Another that is often not thought about is a vinyl top over the front of the vehicle. Vinyl "catches" air more easily than metal, thus producing drag.
If you don't need these items for a certain trip, remove them from your vehicle and you'll greatly increase your miles per gallon.