X15 diesels showed quick throttle response and strong acceleration on the TRC's tracks. Engine brakes were impressively strong, even at low rpm's. A parade of X15-powered tractor-trailers led the ...

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 -– ...

The stricter emissions standards mandated by EPA are no doubt having their most dramatic impact on engine development. And such widespread changes to engines means that changes to engine brakes and ...

Every diesel truck owner wants an engine brake on their rig. That is if they don’t already have one. They help slow your pickup without cooking the brakes. But how do they work? And why don’t pickup ...

Engine braking isn't some secret technique reserved for manual drivers. Fundamentally, it's simply easing off the throttle and letting the engine's internal resistance help slow down your car. When ...