A brutal engine torture test is reigniting debate around Ford’s legendary diesel trucks. From contaminated fuel to extreme ...

This particular OM651 diesel engine failed, but the issue does not appear to be related to its complex, overbuilt construction. The Mercedes OM651 diesel engine is robust but has mixed reliability due ...

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

It's no exaggeration to say that diesel engines basically run American commerce. If there's anything heavy that needs to move a long distance, there's a good chance of diesel being involved. But back ...

Diesel engines offer tons of torque allied with impressive fuel economy, but they tend to be noisier and less refined than their gas counterparts. But that is the perfect recipe for a workhorse, ...

Millions of diesel drivers are sitting on a component most have never thought about, and getting it wrong can fail an MOT, ...

Disclaimer: Diesel runaway can be a dangerous situation. This article is meant to provide information, not to be used as a ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

Auto mechanic hands holding a tablet while inspecting an engine - Sila Damrongsaringkan/Getty Images As long as you keep on top of your car's routine needs, you can always expect a modern car engine ...

We may receive a commission on purchases made from links. The Duramax 6.6L V8 diesel engine was a huge moment for General Motors' heavy-duty trucks. Even though it looks pretty similar on the outside ...