At nearly 30 feet long with a 1,500-hp Caterpillar engine behind the cab, The Prospector is cool even when it's sitting still ...

While they are somewhat similar, hybrid semi-trucks operate on a grander scale and need to maintain efficiency whenever ...

The Tesla Semi is facing major delays and cost increases, making it far less competitive with traditional diesel models.

Find out how much horsepower a semi truck really has—from 400HP workhorses to 730HP European beasts. Plus, why torque matters ...

Heavy semi-trucks can break down on the road sometimes, like any vehicle. If that were to happen, how would these haulers be ...

GM owns a ton of different auto brands all over the world, and quite a few of them are not sold in the United States. Here ...