New energy, also known as unconventional energy, refers to various forms of energy other than traditional energy. New energy vehicles are proposed relative to traditional vehicles. The fuel sources of traditional vehicles are gasoline and diesel, while the power sources of new energy vehicles are non-traditional vehicle fuels (or traditional vehicle fuels and new vehicles). Power unit) integrates the advanced technology of vehicle power control and operation, forming a vehicle with advanced technology principles and new power system. At present, the new energy vehicle technologies applied in engineering include hybrid vehicle, natural gas vehicle, pure electric vehicle, fuel cell vehicle and hydrogen-powered vehicle. A pure electric vehicle is a vehicle that is powered by a motor and powered by a rechargeable battery or other energy storage devices. The technology is relatively simple and mature, so as long as there is power supply, there can be charging. However, its power source, the battery, stores too little energy per unit weight, and at the same time, the construction of urban charging infrastructure and the high price of batteries affect the development of pure electric vehicles. Hybrid electric vehicles are those vehicles that use traditional fuel and are equipped with motors or engines to improve low-speed power output and fuel consumption.
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