Diesel cars, although extremely popular because of their speed and comfort of driving, have one major drawback. They produce exhaust fumes contaminated with soot and solid particles which negatively ...

The diesel particulate filter (DPF) has continued to improve over its 15-year existence. So have other components of aftertreatment systems (ATS) that help send cleaner exhaust through the DPF.

The Ram 2500 diesel is considered a reliable workhorse of a vehicle, but even a truck with such a solid reputation often ...

Ford 6.7 Powerstroke is considered one of the most trustworthy modern diesel engines. However, like all contemporary diesel trucks, it relies on a complex emissions system to meet EPA regulations. At ...