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.

Semi trucks, though they get little recognition, or even respect, for that matter, are holding America together. These rigs, often called 18-wheelers, can last millions of miles, and are concentrated ...

Semi trucks are the undisputed titans of the highway — rumbling, ground-shaking workhorses that keep the world moving. But for a select few drivers, just transporting freight was never enough. These ...