By hybrid autos we refer to any vehicle that relies on two separate power sources for propulsion. There are all sorts of alternative power sources among which we can count wind, natural gas in liquid or compressed form, rechargeable units, wood, coal and the like. The term hybrid car or vehicle is used most frequently to refer to hybrid electric vehicles (HEVs) in which an internal combustion engine is combined with one or more electric motors.
As pointed out in the lines above, the range of hybrid vehicles is more extended than the category of simple Cars. Just think of mopeds and electric bicycles. These are the simplest forms of hybrid vehicles. They combine the power from an internal combustion engine or electric motor with the power of the rider’s muscles. Then there are hybrid heavy vehicles like railway locomotives, buses, heavy goods vehicles, ships or mobile hydraulic machinery. Normally, the term hybrid car-vehicle is used to refer to hybrid electric vehicles. This range includes the next types of automotives: AHS2 (Chevrolet Tahoe, GMC Yukon, Chevrolet Silverado, Cadillac Escalade, Saturn Vue), Toyota Prius, Ford Escape Hybrid, Toyota Highlander Hybrid, Toyota Camry Hybrid, Honda Civic Hybrid, Honda Insight and many others. A gas-electric hybrid car usually takes its power from an internal combustion engine (gasoline or diesel engine) and an electric battery.
The origins of the hybrid car are to be found in the early 1900s when David Arthurs created the first hybrid ever. Besides the hybrid car as mentioned above, which uses two or more different propulsion devices, there are also vehicles which use distinct sources of energy or input types but only one engine. These are also considered by some people to be similar to the hybrid car. In fact, vehicles with double or multiple energy sources are dual mode automotive systems of the trolley type.
A hybrid car presents a number of advantages from the environmental perspective and there are two sides to consider here. First, there is the aspect of fuel economy, and secondly, the benefit for the environment and, implicitly, for humankind is undeniable in the fight to reduce pollution. There is a triple combination of factors that make the design of a hybrid car so appropriate for our times: first there is the combination gas-electricity, secondly, the battery comes with a high storage capacity, and thirdly, the kinetic energy wasted by braking is recuperated and reused.
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