You're probably familiar with the standard combustion process that powers most cars, but some engines use a more efficient ...

This Atkinson gas engine is an illuminating gas engine and is one of the earlier known examples of gas engines and was used by the donor’s grandfather in the nineteenth century. It was procured by the ...

Add Yahoo as a preferred source to see more of our stories on Google. Gasoline engines usually run on the Otto cycle, the standard four-stroke and two-stroke combustion process that has been powering ...