+An **Internal Combustion Engine** transforms the chemical energy of [Fuel](/wiki/fuel) into mechanical work. This is achieved by burning a mixture of fuel and air inside a [Combustion](/wiki/combustion) chamber, creating high-pressure gases that drive a piston or turbine.
+## See also
+- [Engine](/wiki/engine)
+- [Turbine](/wiki/turbine)
+- [Piston](/wiki/piston)
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