A machine for converting thermal energy into mechanical energy or power to produce force and motion. a machine or instrument used in warfare, as a battering ram, catapult, or piece of artillery.
Engine is a term that describes the power plant that drives a self propelled vehicle and uses a liquid or gas or some other hydrocarbon as fuel. An engine can also be used in a stationary application.
A Motor is powered by electricity.
The terms Motoring or Motor Vehicle are usually in error but have been accepted in common usage.
Just see 3 idiots movie. or a engine is a machine designed to convert energy in useful mechanical motion.
A mechanical devise that makes your car go. Do you know what car is?