Some engine designs fade into the background, quietly doing their job until regulations or fashion move on. Others keep ...

OHV stands for overhead valve, and these types of powerplants can also be called pushrod engines. OHV engines have the intake and exhaust valves located above the camshaft, which is in the engine ...

Across more than a century of automotive history, a handful of engines have earned reputations for surviving abuse, neglect, and astronomical odometer readings. The most durable designs share a common ...

A team of engineers at the University of New South Wales (UNSW) in Sydney has figured out a way to run a diesel engine on a mix of diesel and hydrogen, dramatically lowering its emissions. Why do we ...