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 ...

While most states limit the number of axles on a road vehicle, there are some uniquely large semi trucks on Michigan's highways.

If you are a semi truck aficionado, chances are you have heard of Paccar. This colossus of the commercial trucking world is an unassuming giant for the uninitiated, but it quietly owns (or once owned) ...

Next time you see a semi truck on the road, take a moment to appreciate that NASA had a hand in developing its design. In 1973, aerospace engineer Edwin J. Saltzman was biking to work at NASA's Dryden ...