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1、The first demomstration electric vehicles were made in the 1830s, and commercial electric vehicles were available by the end of the 19th century. The electric vehicle has entered its third century as a commercially available product and as such it has been very successful. Today,s concerns about the
2、 environment, particularly noise and exhaust emissions, coupled to new developments in batteries and fuel cells many swing the balance back in favor of electric vehicles. It is therefore important that the principles behind the design of electric vehicles, the relevant technological and environment
3、issues are thoroughly understood.An economically developed coastal cities, in this beautiful city life in the sky was 20 years. The witness to the scene of the historic moment, but in the harmony of the city, there was a scene not in harmony, the electric prevailed. Electric cars a drilling motor ve
4、hicles with non-motor vehicle of the legal gaps in the new product, the electric vehicle of that time there is indeed the Chinese People s daily on the move brought some facilities. However, things cannot be just one, because everything has two aspects. Nowadays, environment is becoming worse and wo
5、rse.one of the reasons is a problem of vehicle. There are two main problems caused by conventional vehicles. Firstly they ruin the immediate environment with noise and pollutions. Secondly they burn irreplaceable fossil fuels producing carbon dioxide which is a major cause of global warming and clim
6、ate change. In face of some problems those conventional vehicles cause, we can develop electric vehicles. They are perceived to play a part in redressing the balance. Therefore, it is important that the environmental impact of electric vehicles is thoroughly known.After a few years of development, t
7、he rapid growth of electric vehicles become the focus of industry related to peoples livelihood, its rapid development speed is amazing. Thinking carefully, the electric car industry in the folk is so popular for a reason: first, low carbon environmental protection, in line with national environment
8、al protection requirements; second, light and flexible, make people travel convenience; third, high performance and low price , make people love them. The electric vehicles advantage determines the development of high-speed electric vehicle industry. The electric car industry has rapid development,
9、growth, maturity. World electric vehicle research test after the development of 20 years, has entered a new stage, that is, small batch production and commercialization to the actual application of the market. According to incomplete statistics, the current global electric car about 13000 vehicles i
10、n use. At present, our country electric car overall is still in the research stage of the key unit techniques, and guided by the market the unit will be the technology of integrated development, meet the vehicle a particular user requirements, through the use of testing and improvement, technology h
11、as matured to become official products.We would say electric vehicles the advantages and disadvantages, and only through the only revealed a number of very serious problem. First, let us say electric vehicles to the people of the benefits, section to environmental protection, and faster than other t
12、han motor vehicles soon, and low cost without a licence, driving easily, both young and old suitable four points mentioned above is electric bicycle in the minds of most people recognized advantage. Now let us look at electric cars the defects and what other places, electric battery should not be permanent, cell damage, replacement rate is high, but battery recovery in the country is still relatively low, this does not fully comply with section to environmental protection concepts, and speed is indeed a bicycle faster than the motor vehicle slow