What are the uses for an internal combustion engine?

All fossil fuel, and biodeisel engines are internal combustion engines. Internal combustion engines are engines that requier a propellant (Gas, diesel etc..). The fuel gets injected into the engine and mixes with air, the mixture gets injected into a cylinder, a piston compresses the mixture and then a small spark from a spark plug ignites the mixture. this lets the engine drive a shaft that can be connected to a number of things, tires, lawnmower blades, what ever.Airplanes, lawnmowers, chain saws, weed eaters, four wheelers, dirtbikes, cars, trucks etc.. all these are ICE's