Improving tractor-trailer aerodynamics to reduce fuel burn and improve profitability has been a goal for decades. However, most of the investment in aerodynamic efficiency has been on tractor design.

Improving tractor-trailer aerodynamics has been a goal since the 1950s. However, most of the focus has been on tractor design. Today every tractor has been optimized from an aerodynamic perspective.  Today, even windshield wiper designs have been optimized to reduce drag.