The original concept of combustion engines as we understand them dates as far back as the late 1800s. And while they are more or less a solved science today, they definitely didn't start that way.

How do diesel engines work, and how are diesels different from gasoline engines? Why are diesel engines typically more efficient than gasoline engines? Why do diesel engines continue to move towards ...

Among diesel technicians, a few engines have earned a reputation for turning routine jobs into all-day battles, with cramped packaging, fragile components and baffling design choices that punish ...