The winds of change continue in the aerodynamics biz, as universities and manufacturers find ways to streamline tractors and trailers in order to reduce air drag and thus, save fuel. Ad Loading ...

Semi-trucks with a gross vehicle weight rating (GVWR) over 33,000 pounds are classified as class 8 vehicles by the Federal Highway Administration. The term semi-truck actually refers to the trailer, ...

A computational model was developed to evaluate the performance and design parameters of a tractor–semi-trailer combination operating under different soil conditions. The model predicts key ...