Airman Inc. Offers World Class, Road Proven, Fuel Saving Aerodynamics Designed by Drivers for Drivers
"For moderate cross-winds the yaw angle can exceed 10º, and under these conditions the drag of a tractor trailer can exceed 50% of its zero-yaw drag load."
National Research Council Canada July 2015
Both of these trailers were loaded at the same place and driven to the same truck stop during the same snow storm in the northwest.
Snow build up on these trailer doors is typical WITHOUT running an AirWedge
No snow buildup on these trailer doors due to the slip stream produced by the AirWedge