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 ...

A purge valve is a vital component of a vehicle's evaporative emission control (EVAP) system. Its function is to control the flow of fuel vapors from the fuel tank and evaporative canister into the ...

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 ...

Volvo Trucks’ CARB 24-compliant engine features an advanced emission control system integrated with a fully serviceable linear exhaust aftertreatment system. Volvo Trucks North America has announced ...

Hondas are known for their reliability, but like any other complex machine, they can run into the occasional issue. One of these is the dreaded "Check Emission System" or "Emissions System Problem" ...

A three-year-old internal review over emissions certifications is likely to result in an EPA fine for Cummins Inc. Cummins officials briefly discussed the issue during the company’s recent conference ...

Cummins Inc. has agreed to pay a $2.04 billion charge to resolve discrepancies in emissions certifications in some of Cummins’ pick-up truck engines. Cummins officials told investor analysts during ...

Colorado Springs Utilities signed a $73.5 million contract with Neumann Systems Group Inc. to install a 220 MW flue gas desulfurization (FGD) system at CSU’s 254 MW Martin Drake coal-fired power plant ...

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 ...