Most vehicles have some sort of horn to alert other drivers, but why do semi trucks have huge, loud air horns? Turns out, there's a very good reason.

Semi-truck retarders are an important aspect of big rigs, helping them to reach reasonable speeds without relying solely on ...

The more speed you carry into a corner, the harder you have to brake, and the more critical brake cooling gets. This is a ...

Donald Trump and JD Vance will both be in Palm Beach Thursday, but their planes will miss each other. How much does it cost to fly the Air Force One?

ACT Expo brought the zero-emission battery and fuel-cell truck solutions, but total cost of ownership is still a big fleet concern.