We break down everything you need to know about what a transfer case does for your all- or four-wheel drive vehicle and how it works.

Three modes of operation allow the driver to choose when and how to use the truck's two power sources. It's been well over a year since Ram announced its Ramcharger extended-range electric truck.

There are as many different truck specifications as there are commercial vehicle fleets in operation today. Each business has its own needs, options, budget, and driver preferences—and each truck has ...