Truck manufacturers, fleets, and owner-operators are always trying to figure out how to maximize profit and minimize costs.

There are approximately 3.5 million semi truck operators in the U.S., according to Truck Info. Regional drivers can be on the road for much of the week, while over-the-road (long-haul) routes can last ...

Passing a semi-truck on the highway, your eyes might be more drawn to the trailer on the back than the cab pulling it — especially if its plastered with pictures of snack cakes or images of fast food.