Mazda has never been afraid of some truly odd engine designs. It keeps trying to make the Wankel work. It has a gas engine with compression ignition. And the company has made 14:1 compression gas ...

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 ...

The upcoming family of combustion engines works with all types of drivetrains. Toyota is adamant that the internal combustion engine still has a bright future despite the rise of electric vehicles.