A semi-truck is a crucial part of supply chains across the world because of its ability to move goods over long distances. Designed to carry large, heavy, or large quantities of cargo, semi-trucks are ...

Take a ride on any major highway around the world, and you're sure to see a familiar sight: armies of semi-trucks zipping by or trudging along, filled with all the things we buy at our favorite shops.

We've probably all heard the term "tractor trailer" used when talking about massive semi-trucks. The two names get tossed around so often that they've become interchangeable, begging the question of ...