A survey is made of compression brake noise levels in heavy duty diesel trucks, using test procedures based on the ISO and EPA driveby acceleration noise tests. The data shows that compression brake ...

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 ...

Q: Is it, or is it not illegal for truckers to use unmuffled engine brakes within the Seattle city limits? Gregg DuPont, who lives in Seattle’s Montlake area, says truckers routinely use the loud ...

Question: I live near U.S. 10 and Winnebago County CB in Fox Crossing. Drivers of eastbound trucks on U.S. 10 use their compression brakes to slow down in that area. It happens numerous times an hour ...