Symptoms of a malfunctioning NOx sensor include increased fuel consumption, as well as reduced power and acceleration. If a sensor fails, it will also trigger an on-board diagnostic (OBD) code, ...

Some of the world’s biggest carmakers manipulated diesel emissions tests because they “would rather cheat than comply with the law”, lawyers for over 1.6 million claimants told London’s High Court on ...

The Environmental Protection Agency’s final rule on emissions from heavy-duty diesel engines, “Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards,” was published ...

Nearly a decade after Dieselgate, another huge emissions scandal is set to reach its conclusion with a record-breaking settlement and a huge recall. This time it is Cummins in the legal crosshairs, ...