At present, more than 95% of the power of motor vehicles still comes from oil and gas. Oil and gas are not renewable energy sources. With the increasing demand of the energy in the world, the shortage of traditional energy sources is becoming more and more serious. During the vehicle driving process, the new energy vehicle is powered by electricity, and doesn’t release any harmful gases. With the rapid development of the market, new energy vehicles will be used widely in more cities in the future.
The electric machinery provides electric energy for the electric vehicles......