Any restrictions on engines?

[Ether]

Originally Posted by Michael Hill

Electric Motor - It has moving parts, but the energy source (the battery) is not part of it, thus it isn't an engine.

Combustion Engine - It has moving parts and gasoline is burned inside, therefore it IS an engine.

Combustion Motor - It has moving parts, but the energy source (the gas tank) is not part of it, thus it isn't an engine.

Electric Engine - It has moving parts and electrons are used inside, therefore it IS an engine.