DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions.

Diesel engines can technically run backwards, though there's very little (if any) practical applications for this, especially for road-going engines.

The once-almighty Mitsubishi Motors may have relegated themselves to building cheap small cars and Nissan-derived crossovers, but it was an indomitable powerhouse of innovation back in the day.

Gasoline and diesel engines feature many differences aside from fuel type. Compared to gasoline engines, a diesel is typically a lower-revving, torquier design, hence why it's often preferred over ...

Dim’s fascination with cars began when he was just six. Born into a family of car enthusiasts and racing drivers, he started learning basic mechanics and driving from an early age. While he loves ...

Diesel has had a rough go of it during the last few years, but an increasingly commonplace technology is working to change the fuel's image and make diesel vehicles viable for the future. Kyle Hyatt ...

How Does Cylinder Deactivation Save Fuel? Towing a big trailer up Davis Dam may require a big, burly V-8 engine, while cruising along a level freeway when that same truck is empty barely requires a ...

We all know General Motors as an automaker. However, GM also has a storied past in various other industries that many might not consider. In the 1930s, GM's Electro-Motive Division began producing ...

An electric vehicle is fine for the morning commute, but to power the huge trains, trucks and ships that move the global economy, hydrogen, heavy-duty batteries and cleaner fuels are the ticket.

Toyota makes some of the most durable trucks in the world—they’re so long-lasting, in fact, that they often go a full decade without major updates. That might change soon if an engine described in a ...

How often do you hear drivers complaining about weak engine brakes? Some drivers will say the engine brake provides so little retarding power they have to use their service brakes to help decelerate ...