GM doesn't make semi-trucks now, but it used to be one of the leading lights of the industry, thanks to class-leading offerings like the GM Crackerbox.

Semi-trucks can come in all shapes and sizes, dictated largely by their intended purpose. Take one of the largest semi-trucks in existence, for example, which is dubbed the 'Red Giant.' This is a ...

Semi-trucks are some of the longest, biggest, and heaviest vehicles on the roads. Semi-trucks — and here's what "semi" means on a semi-truck — are wide, averaging 8.5 feet, and can reach 70 to 80 feet ...