Many semi-trucks are powered by diesel, but the recent cold has not been kind to that type of fuel.

If you’ve ever found yourself standing next to a diesel engine that refuses to start on a cold winter morning, you know the ...

Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

Two such engines – the Cummins 6BT, and the Mercedes OM617 – will likely be around to power vintage pickups a few thousand ...

Chevrolet and Ram each developed a 3.0-liter diesel. While similar in many ways, the engines differ significantly in terms of ...

Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM ...

How big is Ford's lineup of diesel trucks for the new year?

While CNG trucks currently have higher upfront costs, they offer lower fuel and maintenance expenses, along with reduced emissions, positioning them as a viable alternative ...

You may have noticed that diesel drivers tend to idle their engines after driving, typically when finishing a journey, instead of switching off the engine immediately. This action may seem lazy or ...

While diesel engines have their benefits — fuel economy, towing capacity, torque, and a reputation for ruggedness and longevity — they aren't without their faults. The worst diesel engines can be so ...

Diesel engines still offer unmatched torque, with mileage, and are best suited for highway runs, making them an ideal choice ...