A Minnesota entrepreneur’s lightweight, aerodynamic wheel covers promise to save trucking companies millions of dollars in fuel costs every year by boosting big-truck fuel economy by 1%. Photo: Schneider National Inc., Cloth windscreen zips into a spring-loaded base inside the wheel, cutting drag. Jon Fleck’s “Deflecktor” wheel covers consist of a spring-loaded steel frame that snaps into the standard concave rear wheels of truck tractors. A circular truck-tarp-vinyl cover zips into the frame. The device cuts drag by keeping air from flowing into and out of the deep rear wheels as the truck speeds along the highway. The covers’ ability
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.