Straight pipes result in seriously loud exhaust noises, but in the right situations, they could reap benefits when it comes ...

Cat-back and axle-back exhaust systems both replace a car's stock system. But there are key differences in their ...

An exhaust system is essential for managing emissions and optimizing internal combustion engine (ICE) vehicle performance. One of the more significant advancements in this area is the active exhaust ...

To most of us, emission control systems are some sort of "black art" devices that have been forced upon us to rob performance and ruin gas mileage, but that's really not the whole story. Air pollution ...

In Part 1, I regaled you all with the brief history behind the discovery of photochemical smog, and then proceeded to dazzle everyone with the intricacies of intake-related pollution controls. Here, ...

Looking back on writing about truck technology for many years, there have been just a few standout engine introductions. The introduction of the Cummins Signature 600/ISX, with dual overhead camshafts ...

These results help determine meaningful relationships between vehicle weight, engine rpm, distance, and exhaust emissions. In short, exhaust gas analysis is necessary for reducing contaminants harming ...

The Environmental Protection Agency announced it is taking actions to ease the frustration and disruptions around sudden “derates” of diesel engines when they run out of diesel exhaust fluid or have a ...