A system and method for reducing an amount of aerodynamic drag generated within a rear area of a vehicle includes positioning or manufacturing a plurality of devices in a selected pattern on at an exterior surface of the vehicle or a surface of an accessory attached to the vehicle, where each of the plurality of devices includes a flat surface and one or more non-flat surfaces, and the plurality of devices cause an airstream traveling along the side of the vehicle to curve behind the vehicle and provide a push in the forward direction.