Most Cummins engines run fine on biodiesel, but can they take the next step and run on vegetable oil? Here's a quick ...

Commonly used in trucks and heavy machinery, the diesel engine is one of the most important engines created. Developed in the late 1890s by German engineer Rudolf Diesel, the diesel engine came from ...

The death knell has been ringing for diesel engines over the last decade, primarily because of their environmental impact. But some still swear by diesels for their abundant torque, efficiency, and ...

Diesel Exhaust Fluid systems have been plagued with reliability issues, raising questions about the EPA's approach to reducing emissions.

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...

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 ...