State laws are the biggest factor governing use or non-use of auxiliary lift axles on trucks and trailers. Many states have patterned their weight limits after the federal Formula B law, which ...

For car enthusiasts, off-roaders, and anyone else hauling gear, toys, or even cars, drive-over trailer fenders can help keep your trailer wheels from slinging mud, rain, and debris everywhere, ...

It would be a good idea if fleets and truckers had some way to judge how good trailer aerodynamic products are, and to properly install what's available. So trailer aero devices were the subject of ...