Patent ID: 8342595

Claim:
An apparatus for reducing the drag of a trailer, the apparatus comprising: a pair of fairings configured to be positioned on opposite sides of a trailer in front of wheels on the bottom of a trailer, each fairing comprising a generally parabolic shaped cross-section that is configured to be generally parallel to the bottom surface of a trailer, each fairing further comprising a surface that is configured to be curved towards the center of a trailer to direct fluid flow between the wheels of a trailer; a sloped component configured to be positioned in front of trailer wheels, wherein the sloped component is configured to be positioned at least partially positioned between the pair of fairings; one or more axle wing components configured to be positioned over one or more axles of the wheels, respectively, wherein the one or more axle wing components are positioned in a plane located between the pair of fairings; a pair of rear fairings configured to be positioned on opposite sides of a trailer behind wheels on the bottom of the trailer, each fairing comprising a generally wedge shaped cross-section that is configured to be generally parallel to the bottom surface of a trailer; and a diffuser configured to be positioned at the rear of a trailer, wherein the diffuser includes at least one sloped surface configured to direct airflow away from the center of a trailer.