I’ll be the first to say that aerodynamics is not the first thing that comes to mind when I look at a semi-truck. Instead, I’m thinking about the big ol’ diesel engine under the hood ...

To help maximize fuel economy, semi-truck trailers try to improve the aerodynamics of the trucks, and one way to do this is to install side skirts. Side skirts on semi-truck trailers are ...

Wheel wells on GM trucks started ... pickup trucks and even semi-trucks. Just as GM had tested the square body trucks back in the early '70s to help improve their aerodynamic efficiency, the ...