You may have heard the term 18-wheeler and wonder where the name comes from. It turns out those 18 wheels have an important purpose. Here's what we know.

Semi-trucks didn't start out with diesel engines, but there are specific reasons why the majority of semi-trucks on the road today use diesel engines.

The Cybertruck features a 240-volt NEMA 14-50 outlet in the truck bed. This type of outlet is rated for 50 amps, but the typical output is closer to 40 amps. Most travel trailers use a 30-amp ...