Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...

Heavy duty diesel engines are designed for long hours and extreme loads, but even the toughest systems fail without early ...

You don't see diesels on the road as much ever since Volkswagen's emissions cheating scandal broke, but they're still out there, and the people who love them still love them. That's partly because ...

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 ...