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 ...

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 ...

The U.S. Environmental Protection Agency recently announced action taken against several diesel shops for violations of the federal Clean Air Act related to installing or selling illegal “defeat ...

Data obtained from six vehicles equipped with current and advanced emission control systems are used to define fuel-exhaust compositional relationships for hydrocarbons and aldehydes, with special ...

GRAND RAPIDS, Mich. — Two Grand Rapids companies, its owners and employees are facing criminal charges for violating the federal Clean Air Act. The U.S. Attorney for the Western District of Michigan ...

NOx emissions can be controlled through engine operation with lean homogeneous air/fuel mixtures. This emission control approach precludes the need for exhaust gas recirculation (EGR) and secondary ...