Thursday, August 30, 2012

Electric Cars: Their Past, Present and Future

Electric Cars: Their Past, Present and Future


Today it seems incredible, but electric vehicles came into the world even before our usual cars with ICE (internal combustion engines) did.In the early 20th century they already obtained a pretty wide popularity in USA, and existed as passenger cars, trucks and omnibuses - prototypes of modern buses.Interest to the electric vehicles revived in the middle of last century, during the oil crisis, and since then it has been constantly growing.The reasons for this - are not only the rising prices for petroleum products, but also the environmental concern, as far as electric cars are friendlier to the environment than traditional cars.Actually the main advantages of such a vehicle is its environmental friendliness, and not only because of absence of harmful exhausts emission into the atmosphere, but also due to elimination the need for any fuel made from petroleum products, motor oil and antifreeze.Add to that the simplicity of construction and maintenance, a complete fire and explosion safety, the low fuel price (in this case - electricity), the ability to recharge the engine as from special high-voltage battery chargers, as well as from ordinary household electrical outlet.An electric vehicle moves smoothly, softly and silently.That last property appears to be also a disadvantage of electric vehicles - because of their low noise, the number of accidents involving pedestrians may increase. pedestrians simply can not hear them.Manufacturers take into consideration this feature and, developing new models, they add such useful options as artificial noise or whistles.But the main drawback of electric vehicles is from the one hand, the lack of electric power reserve and a small run on a single charge, speaking of the batteries of mid-range cost, or extremely high cost of high-performance cars on the other.If we compare the two cars of the same class with similar characteristics - the electric car will be much more expensive than a car driven by an ICE, and the lion's share of its value will hold the batteries.Almost all of these machines perform well with smooth acceleration and constant speed, but lose a significant amount of energy during sudden starts, in addition, a certain amount of battery power is spent on secondary functions, such as lighting and heating the cabin, in addition during the cold season the battery loses much of its capacity.The problem of disposing of used batteries of electric vehicles, which contain substances of very high concern, can be marked as the environmental aspects of electric car's defects, as well as the problem of high electricity demand, which will take place at the widespread distribution of electric cars.We will have to build additional power plants which definitely won't bring much benefit to nature.Add to this, lack of lack of specialized filling stations in numerous places, and too long charging of the cars compared to filling the fuel tank.Now this time is half an hour at special high-voltage charging stations and a few hours on regular 220 volt mains.And yet, electric vehicles have a right to exist.Today almost all well-known manufacturers have an electric car.The models are constantly being improved, increasing their cruising range, speed maximum and decreasing time to recharge.Many brands have hybrids in their lineup - a mix of electric and conventional gasoline or diesel car.Experts believe that many of the existing drawbacks of electric cars will be removed in about 10-20 years, and this will characterize the beginning of "green" cars era.

Electric Cars: Their Past, Present and Future



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