Free electric vehicle <br>electric vehicle according to the power source, can be divided into four categories: <br>1, pure electric vehicles (Pure electric vehicle referred PEV) of this power source of the vehicle is gasoline and diesel engines, <br>in place of the electric motor, and the air pollution reduced to near zero degrees, so this electric car known as non-public <br>harm car (zero emission vehicle referred ZEV), in addition to the car completely ruled out air pollution, can effectively reduce <br>low noise pollution. <br>2, HEV (hybrid electric vehicle referred HEV) is loaded hybrid electric vehicles use engine. <br>Engine fuel which are gasoline, diesel fuel, hydrogen gas, LPG (liquefied petroleum gas) ..., etc., as the main driving force to the fuel, <br>battery power for auxiliary power. Requires a large energy car started, this time through the auxiliary battery provides <br>the energy endurance can be improved with reduced amount of oil expendable. <br>3, solar car (solar vehicle abbreviated SV), many solar cell is loaded, the solar irradiation produced by <br>the energy stored in the raw car battery, the battery to discharge energy according to their traffic. <br>4, fuel cell electric vehicle (Fuel Cell Vehicle FCV is referred to), such a fuel cell electric vehicle is driven <br>in an electric vehicle (Note 1).
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