This article is about the evolution of the engine and how the engine has evolved over time. The piston engine has had many different stages and innovations throughout history. The piston engine engine went from slow and weak to a very powerful and strong engine. The piston engine has mostly kept it's same design but has been built upon and improved. People have added more and more pistons, put these engines into different vehicles and seen how fast they can go, and these innovations haven't stopped people are making new innovations all the time.