Many experts believe that hybrid cars are the perfect answer in terms of energy efficiency. Environmental protection And meet the requirements of driving on a daily basis. The working principle of hybrid cars, a collaboration between the traditional internal combustion engine. And an electric motor It also requires an internal combustion engine as the main propulsion system. The electric motor acts as extra work. And batteries for electric and hybrid cars added still have identical fuel vehicles. But from an electric motor to assist the work. This saves fuel and has a system to help reduce pollution from car exhaust emitted into the streets.