As we begin the last article in this series on the basics of the internal combustion engine, let's stop to review what we've covered during the last five articles. We began last May by detailIing the ...

I can never resist a good oddball engine, and this one’s pedigree is impressive. See if you can bend your mind around it. Most of you reading this probably have at least a basic understanding of how ...

Six-stroke engines are having a moment. Porsche made waves last year for patenting a six-stroke powerplant that promised more efficiency and power by using a funky planetary gearset attached to the ...