Hybrid Cars

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Hybrid cars: Abstract: A hybrid car, also known as an HEV or hybrid electric vehicle, is an automobile that is powered by two sources; an internal combustion engine, and an electric motor. HEV’s need plugs, as they are amply charged by the movement of the wheels and storing the kinetic energy that is generated through a process called regenerative braking. Cars have been accepted as a solution to the current pollution problems that we face, as they offer lower emissions than gasoline automobiles. Some hybrid cars produces around 90% less pollutants than regular cars. With cars with this system, a hybrid car can cross longer distances than normal ones with less use of gasoline. They can get up to 55-60 mpg in city driving, while a typical SUV might travel just 15-20 mpg. Also there are 2 types of cars: the first type is the series, and the second type is called the parallels Hybrid electric vehicle A hybrid electric vehicle (HEV) is a vehicle which combines a conventional propulsion system with an on-board rechargeable energy storage system (RESS) to achieve better fuel economy than a conventional vehicle without being hampered by range from a charging unit like a battery electric vehicle (BEV), which uses batteries charged by an external source.)The different propulsion power systems may have common subsystems or components. Regular HEVs most commonly use an internal combustion engine (ICE) in tandem with electric motors to power their propulsion system. Modern mass-produced HEVs prolong the charge on their batteries by capturing kinetic energy via regenerative braking, and some HEVs can use the combustion engine to generate electricity by spinning an electrical generator to either recharge the battery or directly feed power to an electric motor that drives the vehicle. Many HEVs reduce idle emissions by shutting down the ICE at idle and restarting it when needed. An HEV's engine is smaller and may be run at various speeds, providing more efficiency. HEVs became widely available to the public in the late 1990s. HEVs are viewed by some automakers as a core segment of the future automotive market. Technology The varieties of hybrid electric designs can be differentiated by the structure of the hybrid vehicle drivetrain, the fuel type, and the mode of operation. In 2007, several automobile manufacturers announced that future vehicles will use aspects of hybrid electric technology to reduce fuel consumption without the use of the hybrid drivetrain. Regenerative braking can be used to recapture energy and stored to power electrical accessories, such as air conditioning.
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