Last month we began our discussion of emission systems by examining various crankcase and fuel vapor control devices, along with throttle and carburetion equipment aimed at reducing automotive exhaust ...

What Is A Basic Drive Cycle? A basic drive cycle is a simplified version of a standard drive cycle used to evaluate the performance of a vehicle's onboard diagnostic (OBD) system. Unlike a standard ...

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 ...