A global review finds that water-in-diesel emulsion can slash NOx and soot at the same time, offering a cheaper path to cleaner diesel engines.

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 ...

Diesel engines are known for their reliability, but that's only if proper routine maintenance is provided to the drivetrain ...

Engine oil is an absolutely crucial item for any car, regardless if it's diesel or gasoline. Is it normal for the oil in ...