Detroit Diesel, which began life as GM's diesel division, has a reputation for producing standout engines. Its early ...

An Audi Q7 3.0 TDI Black Edition undergoes a detailed V6 diesel engine rebuild after serious internal damage is discovered.

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

When it comes to heavy-duty diesels, enthusiasts and truck owners inevitably circle back to the best American diesel engines: Ford's 7.3L PowerStroke, Dodge's 5.9L Cummins, and GM's 6.6L Duramax. If ...

Detroit isn’t starting from scratch to meet EPA 2027 diesel emissions standards. Its Gen 6 DD13 and DD15 engines keep much of ...