You've probably heard of two- and four-stroke engines, but what are the four strokes of a gasoline engine? And how do they ...

This Otto vertical gas engine was originally inside the cellar of Boyd’s Drug Store, which was in Washington DC. It was used primarily in the 1890s by Dr George W. Boyd before being donated to the ...

A new kind of internal combustion engine called REV Force with STLTC is being developed to be used in pretty much all ...