Add Yahoo as a preferred source to see more of our stories on Google. Automobiles were still in their relative infancy in 1905, but they had been growing more popular for years. There was a problem, ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

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 ...

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 ...

SLEEVE-VALVE ENGINES MAY NOW BE obscure automotive history, but they were once popular powerplants worldwide and could be found in the English Daimler and Belgian Minerva, among others. The best-known ...

Bore and Stroke: 146 mm (5.75 in.) x 165 mm (6.5 in.) In 1926 Bristol began studies to integrate the Burt-McCollum sleeve valve concept into selected new engine designs. The sleeve valve, which moved ...

James Vaughn’s three favorite letters related to his five vintage cars — including a 1929 Willys-Knight with an unusual “sleeve valve” engine — are “N.O.S.” In car restorer’s parlance, those three ...

The internal combustion engine, despite being a century-and-a-half old, is still an impressive marvel of engineering. There are several variations of engine design that have been experimented with ...