Volkswagen has yet to get modifications to reduce the emissions of TDI diesel cars with illegal "defeat device" software approved by U.S. regulators. But while it continues to wrestle with that ...

Modern diesel vehicles of all sizes are equipped with complex aftertreatment systems to reduce exhaust emissions. The diesel particulate filter (DPF) plays an important role in these systems by ...

As engine oil suppliers develop new formulations to protect diesel engines and enhance their efficiency, some are paying particularly close attention to the performance of exhaust aftertreatment ...

The Volkswagen Group has been in damage control mode since the dieselgate scandal came to light last year. However, while the company has been battling great financial strain thanks to the penalties ...