19. The Otto Cycle
The four-stroke engine is also named the Otto Cycle, after it’s inventor Nikolaus Otto who invented it in 1867. If you enjoyed this engine fact or know someone who would, be sure to share it. Coming up next are more awesome engine facts. We saved the best for last so be sure to stick around until the end. Quote of the day: “Scientists investigate that which already is; Engineers create that which has never been.” – Albert Einstein”