Modern diesel engines are engineering marvels of power and efficiency — but they also come with a complex web of emissions ...

In the past two months we've covered most of the emission systems that have appeared on recent automobiles. This month we'll conclude our discussion of these systems with those devices designed to ...

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 ...

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 ...

Johnson Matthey has inaugurated a hydrogen internal combustion engine (H₂ICE) testing facility at its existing site in ...

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 ...

If you're into diesel trucks, you may already be aware of the fact that a thriving market exists for aftermarket enhancements and modifications. There are various ways to get more horsepower out of ...

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 ...

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" ...

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 ...

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 ...

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 ...