There are two things to know if you’re going to tow a trailer: Towing is never a trivial matter, and you can never have too much brakes. If you can't pull a trailer over a hill because you don’t have ...

You're driving a loaded diesel rig down a mountain pass, foot hovering over the brake pedal, heart racing. How do you slow 20,000 pounds safely without cooking your brakes? Cue the exhaust brake -– ...