Automotive technology the world is growing very rapidly , ranging from interior design exterior , electrical system , ignition system , construction machinery and so has undergone significant developments and changes from year to year . In the example of the motor ignition system began using platinum , CDI , and now the ECU is smarter to be able to detect the character of the user and adjust all the necessary settings on the motor according to the character of the user to obtain maximum performance .With the rapid development of the automotive world today began to do research on vehicles use electric motors to replace conventional engine that has been the source of power for vehicles .The sensation of driving electric vehicles may be noticeably different than the sensation of driving a conventional motor , electric motor drive Susana silent will create its own course than conventional motors roared loudly.