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Hybrid Cars

Essay by review  •  October 2, 2010  •  Essay  •  425 Words (2 Pages)  •  688 Views

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Hybrid Cars

(What is a Hybrid Car?)

There are two configurations for hybrid cars. The first configuration uses gasoline engine to run a generator. The generator supplies electricity to the motor, which drives the wheels, which allows the gasoline engine to run constantly while achieving optimum fuel efficiency. This thereby minimizes emissions owing to incomplete combustion. A hybrid car with parallel configurations uses both an engine and a motor to drive the wheels depending on driving conditions. "A hybrid car is an automotive equipped with two or more sources of motive energy" (http://www.howstuffworks.com/hybrid-car1.htm). Hybrid cars use both gas and electric. The gasoline engine is the primary source of power, while the electric motor is used at low speeds. Emissions levels are reduced because the gasoline engine shuts off at low speeds. An additional benefit of the parallel configuration is that no outside source of electric power is required because the engine itself generates the required electricity. A Hybrid Electric Vehicle known as HEV have several advantages over traditional internal combustion engine (ICE) vehicles: Regenerative braking capability, which helps minimize the energy lost when driving. Engine is sized to average load, not peak load, which reduces the weight of the engine. Fuel efficiency is greatly increased, while emissions are greatly decreased. HEVs can be operated using alternative fuels; therefore they need not be depended on fossil fuels (http://www.ott.doe.gov/hev/what.html#hev). Another great thing about these machines is the mpg; on the average, a hybrid car gets anywhere from 55-70mpg on the hwy. This is what makes the car all worth having. Now all this sounds good, but there are some issues that must be addressed. First of all the prices must come down. The prices for hybrid cars are naturally higher because there are no existing facilities for mass production and both engine and electric motor must be installed. Another downfall is the lack of infrastructure for repair and maintenance. Many of the mechanical problems occurring with the hybrid cars may not be repairable at existing service stations. The Hybrid's car power system is very complex and will require specialized expertise. Today there are a few hybrid cars on the road, by the makers of Honda, GMC and Toyota. Once more people realize that

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