Patent ID: 7765044

Claim:
A vehicle drag reduction system comprising; at least one drag reducing apparatus for placement on a vehicle having a height, the at least one drag reducing apparatus for moving between a first position, where the at least one drag reducing apparatus is in an extended position above the height of the vehicle, and a second position, where the at least one drag reducing apparatus is in a retracted position below the height of the at least one drag reducing apparatus in the first position; a mechanism in communication with the at least one drag reducing apparatus for moving the at least one drag reducing apparatus between the first position and the second position; a navigation management system for providing the location of the vehicle and the location of overhead obstacles along the path of the vehicle; and, a processor, electronically coupled to the navigation management system, the processor programmed to: analyze the location of the vehicle with respect to location of an overhead obstacle along the path of the vehicle; and, signal the movement mechanism for moving the at least one drag reducing apparatus between the first and second positions in accordance with the location of the vehicle with respect to the location of the overhead obstacle along the path of the vehicle.