Hybrid Electric Vehicle: Fuel Efficient And Zero Emission Cars



More Hybrid Electric Vehicles Should Be Entering The Market In The Near Future

Far more hybrid electric vehicles are being manufactured and offered by different auto manufacturers due to their increasing popularity and also because they have become better known and are being more sought after by car buyers. A basic hybrid electric vehicle is an efficient vehicle that uses a small motor as well as an electric engine to generate enough energy to drive the car forward. Being free of wasteful and harmful emissions these hybrid electric vehicles can contribute greatly to keeping the environment clean.

Typical hybrid electric vehicles merge the traditional internal combustion engine with the battery and electric motor of an electric vehicle so as to not have any emissions, generate adequate power, and go for distances that are far enough to warrant their usage and also provides convenient fueling, which means not having to recharge the batteries and a hybrid electric vehicle is most suited for personal as well as fleet transportation.

The hybrid electric vehicle gets its power from two different energy sources, namely an energy conversion unit as well as an energy storage device. The most common forms of energy conversion units are the combustion engine or the fuel cell while the common energy storage devices include batteries or ultra capacitors. Powering the energy conversion unit may be through gasoline, methanol, compressed natural gas, hydrogen or any other alternative fuel. Conventional vehicles burn 2 to 3 times more fuel than the hybrid electric vehicle.

The design of a typical hybrid electric vehicle may be parallel design, series design or a mix of the two design types. The parallel design has the energy conversion unit and energy propulsion unit being directly connected to the wheels of the vehicle. In the series design, the primary engine gets connected with the generator that produces enough energy and the electricity so produced charges the batteries which in turn drive electric motor that moves the wheels. When required, the design may be a combination of the two, as the series configuration may be used for slow speed driving while the parallel configuration can be used for accelerating and for highway driving.

The hybrid electric vehicle does not require its batteries to be charged through connecting with external electric outlets mainly because of the recharging that takes place using regenerative braking or even through use of on-board generators. There are other hybrid electric vehicles being developed, which are known as plug-in hybrid.


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