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VW fired three more execs as its diesel scandal deepens. The German auto giant was plunged into crisis last Friday when the EPA charged that the company manipulated software in its diesel-powered cars ...

As a Diesel Power reader, it's likely you have a big truck with big tires, a big suspension lift, and a big, bombed-out diesel engine. But when it comes time to honk at someone, you're stuck with that ...

In diesel performance, achieving optimal airflow is the cornerstone to unlocking your engine’s full potential. For owners of the 6.7L Cummins, upgrading the intake system is a popular and effective ...