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Hybrid electric vehicle

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A hybrid electric vehicle (HEV) is a hybrid vehicle and electric vehicle that combines a conventional internal combustion engine (ICE) with an electric drive system (hybrid vehicle drive train). The presence of the electric drive train is intended to achieve better fuel economy than a conventional vehicle or better performance. There are a variety of HEV types, and the degree to which each one functions as an electric vehicle (EV) also varies. The most common form of HEV is the hybrid electric car, although hybrid electric vehicles (pickups and tractors) and buses also exist.



Modern HEVs use efficiency-enhancing technologies such as regenerative brakes that convert the kinetic energy of the vehicle into electrical energy to recharge the battery instead of burning it as heat energy, as are conventional brakes. Some varieties of HEVs use their internal combustion engine to generate power by rotating an electric generator (this combination is known as a motor generator) to either charge their batteries or directly supply the electric drive motors. Many HEVs reduce idle emissions by shutting down the ICE at idle and turning it on again if necessary; This is known as a start-stop system. A hybrid electric produces fewer emissions from its ICE than a comparable large petrol car because a gasoline engine from HEV is generally smaller than a comparatively large petrol gasoline (natural gas and propane fuels produce lower emissions) And if not used directly Drive the car, can be aligned to run with maximum efficiency, continue to improve fuel economy.


Hybrid electric vehicles (HEVs) are powered by an internal combustion engine or other drive source that can run on conventional or alternative fuel in combination with an electric motor that uses energy stored in a battery. HEVs combine the advantages of high fuel consumption and low pipeline emissions with the performance and range of conventional vehicles.


A variety of hybrid electric vehicle models are currently available. Although HEVs are often more expensive than comparable conventional vehicles, some costs can be obtained through fuel savings or government incentives.


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