The diesel engine may have fallen out of favor, but some manufacturers aren't letting go of it. We're about to see some impressive new diesels in 2027.

Ronald Valentine's goal was to build the smallest operational diesel engine in the world and he was able to create a fully functional diesel engine.

It's not hard to find very small mass-produced gasoline engines, but diesel is another story. Diesel engines are more expensive to manufacture, so a small-capacity diesel in a cheap car can push up ...

While the headlines often celebrate the most powerful diesels, like the Ford F-350 with an available 1,200 pound-feet of torque, it's easy to overlook other standout qualities of late model diesel ...