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Hybrid Cars

 

            
             Hybrids are a hot topic on many minds across the world. Some give you the freedom to go long distances without refilling your tank. Some require you to recharge the batteries after a short distance. Hybrid power systems were conceived as a way to compensate for the shortfall in battery technology. All hybrid vehicles produced limit the amount of smog pollutant compared to standard internal combustion vehicles. .
             Hybrid electric vehicles (HEVs) combine the internal combustion engine of a conventional vehicle with the battery and electric motor of an electric vehicle, resulting in twice the fuel economy of conventional vehicles. This combination offers the extended range and rapid refueling that consumers expect from a conventional vehicle, with a significant portion of the energy and environmental benefits of an electric vehicle. HEVs have several advantages over conventional vehicles: HEVs can reduce dependency on fossil fuels because they can run on alternative fuels. Special lightweight materials are used to reduce the overall vehicle weight of HEVs. Regenerative braking capability helps minimize energy loss and recover the energy used to slow down or stop a vehicle.
             Fuel cells generate electricity through an electrochemical reaction that combines hydrogen with ambient air. Pure hydrogen or any fossil fuel that has been "reformed" can be used to produce a hydrogen-rich gas. Methanol is a common fuel choice. For the most part, the fuel cell's only emission is water vapor, giving it potential as the cleanest hybrid power unit alternative. Efficient, quiet, and reliable, fuel cells are predicted to demonstrate energy conversion efficiencies up to 50%, relatively high in comparison to the 20%-25% efficiency of standard gasoline engines. .
             Battery-powered vehicles give off virtually no pollution and offer one of the best options for reducing motor vehicle emissions in polluted cities.


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