Internal combustion engines are incredibly complicated machines that many of us interact with on a daily basis, but don't completely understand. You get in your car, turn the key or push the start ...

Some consumers are scared by what connected cars can do with all personal information and self-driving features, but diesel trucks can have a mind their own, too. While this Cummins-powered sled ...

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 ...