An electric motor is an equipment that has an efficiency and for that reason, its efficiency can easily exceed the mark of 90%. Compared to the electric motor, the piston motor has much to be desired, as its efficiency does not exceed 35%.
The electric motor has a simpler constitution as it has much less moving parts and so the electric motor is a more reliable device and has lower maintenance cost.
The electric motor has as differential a high torque in its starting when it is in low revolutions and for that reason an electric car does not need to have the gear box or also called exchange and this makes the car is cheaper and reliable.
The electric motor features a regenerative braking system because it can also act as an electric generator and because of this, most of the kinetic energy of the car in the brakes is transformed into electrical energy that is stored in the batteries.
If compared to the piston engine, the electric motor has a faster start and when stopped in traffic the electric motor shuts off and when stepping on the accelerator the electric motor turns on almost instantaneously.
The electric motor is lighter, reaches a higher rotation than the combustion engine and vibrates and makes less noise. https://www.mrosupply.com/lighting/lighting-fixtures/flood-light-fixtures/1429697_ffled18npcs_rab-lighting/