Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Travel Free: To/Around Your Destination and other Green Travel topics.
Car racks can interfere with aerodynamics, forcing your car to work harder and burn more fuel. Extra weight in the trunk also generates more fuel burn. According to the U.S. Department of Energy, carrying an extra 100 pounds in your car can add an extra $.03 - $.06 per gallon.