American publisher Charles Knight was not at all impressed with his new 1901 Knox ‘gasoline runabout’. Like some other cars of the era, its four-stroke engine relied on a single valve to permit both ...

I’m not sure if any engine built today will still be salvageable 100 years from now. Not to sound like a grump, but so much relies on computers that will surely be obsolete by then. And let’s not get ...

The Willys-Knight brought quiet sleeve-valve technology into the affordable price range. The Willys-Knight was a well-regarded medium-priced car built by Willys-Overland of Toledo, Ohio, and Toronto ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. In 1925, Continental, a successful manufacturer of automotive engines, purchased the rights for a Burt-McCollum single ...

The Willys-Knight, built by Willys-Overland of Toledo, Ohio, from 1914 to 1932 is remembered for its ultra-quiet Knight sleeve-valve engine. Although it was also used in European luxury cars and the ...

That’s right, your prayers have been answered: Someone in Silicon Valley is finally developing an opposed-piston, sleeve-valve, variable-cycle engine for passenger-car use. Yeah, OK, we weren’t ...