Emissions testing plays an essential role in controlling vehicle pollution and conserving the environment. These evaluations ...

The California Air Resources Board (CARB) has certified only one telematics provider to participate in its Clean Truck Check (CTC) program with just over a quarter of the year left before heavy- and ...

Indiana Gov. Mike Braun signed a law Friday that reviews air quality standards and vehicle emission testing. Senate Enrolled Act 103, authored by Sen. Rick Niemeyer, R-Lowell, and Sen. Dan Dernulc, ...

Knowing that the vehicle driving next to you on the highway is in good operable condition is important. Knowing that it’s also not spewing unsafe levels of noxious pollutants into the air is too—or at ...

This paper describes a method of using the total emission concept for conveniently assessing the accuracy of emission measurements. The measured total HC emissions are treated as unburned fuel (C₈ ...