Provide an ''active aerodynamic device'' that is fitted to commercial vehicles to reduce both consumption and carbon pollution. The device is being designed to improve fuel consumption by over 6% of equipment readily available and fitted today by manufacturers & body-builders or 10% of no device fitted. The product is intended to be fully automatic that requires no driver interaction and adjusts automatically to accomadate:- - Variable trailer heights - Weather, wind and temperature changes - Speed and driving conditions