Engines types explained

How does a car engine actually work? And why is a diesel different from a gas engine, or a jet different from both? This video walks through all six main engine types with animations of what’s happening inside each one: 0:00 Intro: every engine turns energy into motion 0:24 Four-stroke gasoline engine 1:02 Two-stroke engine 1:34 Diesel engine 2:07 Rotary (Wankel) engine 2:38 Jet engine 3:12 Electric motor 3:44 So which is best?