A shekarun baya bayan nan, aikin mota ya ƙaru, musamman a matsayin harki da abubuwa dabam dabam dabam. Wani daga cikin ci gaba mafi kyau a wannan shi ne Air Cooler Permanent Magnet Motor (ACPMM). Wannan irin motar yana amfani da matsaloli na dindindindin a halittarsa, kuma hakan ya kai ga amfane dabam dabam