The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way.

We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...

Remarkable innovations have been made to automotive technology since Karl Benz introduced the world to the "Motorwagen" in 1866 and Henry Ford gave rise to the American auto industry with the Model T ...

Moses Karomo is an enthusiastic automotive writer who can talk and write endlessly about cars. He has extensive automotive reporting experience, writing about all manner of automotive topics. He keeps ...

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

While the world is trying to go EV, heavy duty diesel trucks like the Ford F-250 are still the rage for those who do big jobs (or want to look like they do). Many truck owners are always on the ...

Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...