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

The Ram Power Wagon has finally got the Cummins diesel engine and is out to brag about it. Totally unexpected, it is doing it ...

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

Diesel engines and gasoline engines are so fundamentally different that it’s possible to do real damage simply by filling up your car with the wrong fuel. Converting a diesel engine to actually ...

Purdue University’s Greg Shaver doesn’t believe there should be a trade-off between protecting the air we breathe and achieving better engine efficiency of large vehicles on the road. Shaver, a ...

If you ever suspect that you're getting a little too comfortable with your own level of knowledge of the world, there's a nice simple trick you can try to humble yourself, quickly and decisively. When ...

When you look at total cost (purchase price, destination fee and five years of fuel), the 2026 GMC Sierra 1500 Denali with the 3.0-liter Duramax turbo-diesel engine costs less than every other Denali ...