DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions.

Diesel Exhaust Fluid helps reduce your vehicle's pollution, and it has to be refilled. If you only need a little at a time, ...

Famed Top Gear host Jeremy Clarkson once noted about electric vehicles, "I never want to drive a car that hasn't got a nice sound coming out of the front or the back." Not only are EVs too quiet for ...

In any automotive braking system, the linchpin factor is pressure. When you press on the brake pedal in your car, for instance, pressurized brake fluid is distributed to the pistons in wheels, which ...

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 -– ...