Internal combustion engines typically have low efficiency, with modern gasoline engines around 35% and diesel engines ...

Gasoline and diesel engines work on similar principles, but there are some important differences, including the fact that diesel engines don't need spark plugs.

There are three fathers of invention when it comes to nearly every car on the road today: Otto, Diesel, and Atkinson. They all had one thing in common—a drive to improve the efficiency of the engines ...