Ever spot a strange window on the bottom of a semi-truck's passenger door? Here's more about why these trucks have this ...

There are approximately 3.5 million semi truck operators in the U.S., according ... to the bunk not only offers 12-volt power outlets on top and drawers for stowing, but also a pull-out desk ...

But bigger is always better, right, so imagine how satisfying semi truck ... rear of another truck. In this instance, the footage captured the way the cab moves over the top of the heavy battery ...