40 years is a long time in the automotive world. While a few prized cars from the 1980s may be exploding in value, not many would consider their 40-year-old engine technology reliable. One diesel ...

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 ...

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 ...