Think diesels are boring? Guess which automaker created the world’s highest-revving diesel engine – it might surprise you.

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 ...

If your lifestyle or profession requires a heavy-duty pickup truck, the odds are favorable that truck will have a diesel powerplant under the hood. Although diesel fuel is currently more expensive ...

The automotive industry is advancing fast, and as it seems, all the major automakers are hell bent on the complexities that come with it: emissions, safety, comfort, and autonomy. While there's ...

Manufacturers' required DEF derates will soon be less severe. Current equipment may enter limp mode and slow to 5 mph, or stop altogether until a DEF fault is cleared. The EPA's new guidance for ...

Unless your car has a diesel engine, you shouldn't put diesel fuel in the tank. As our friend Brett Berk learned the hard way a few years ago, you also shouldn't put gasoline in a diesel vehicle, ...

Diesel engines have long been a popular choice for pickups, vans, and big SUVs in many important markets, but their days could be numbered – or at least that’s what Toyota Australia thinks. What will ...