The second hybrid is often referred to as a series hybrid. In a series hybrid, the gas or diesel powered engine doesn't connect to the transmission directly, meaning that it doesn't actually propel the car by itself. It actually works indirectly, powering a generator, which in turn (controlled by computer monitoring systems) either feeds power to the batteries or directly feeds power to an electric motor that connects to the transmission.
As stated above, hybrid buyers are looking for the combination (and compromise) of power and energy that these cars seem to provide. Many gas-powered cars have a lot of horsepower. This is useful for modern driving experiences. No one wants to be doing the minimum 45 mph on the interstate and stopping to "refuel," as with purely electric motors. Plus, there's no need to feel like you should have placed your slow-moving reflective magnet on the trunk. However, many gas-powered cars are truly "wasteful" resources because out of those 175 horses, you'll only have to use less than half that power for everyday driving. We don't even have to get into the harmful environmental factors of pure gasoline engines. We are just now starting to see the results of our apathetic attitudes on this subject.
The engines in hybrid automobiles are usually much smaller (except in some brand new V-6 models). While this reduces fuel consumption, it means that for the extra "power" that drivers are looking for has to come from somewhere else. That's where the electric motor and batteries come into play. In some models, sensors detect that the car is in need of extra energy for going up hill, for example. That's when the "hybrid" half of the engine kicks in. It will do a dandy job of giving the engine that extra oomph or boost that it needs, without using any more gasoline.
Newer hybrid models do a lot of extra tricks so that your car gets as many miles to the gallon as possible. For example, when you're stopped at a traffic light, another sensor will trigger the gasoline engine to idle down to a complete stop, while the car stays "running" solely on its electric power. Did I mention ingenious?
Since the idea behind the hybrid powered car is reduced fuel consumption without the loss of speed or power, many cars are being designed to move through the streets with the utmost in aerodynamic form; meaning that a hybrid will create less "drag," simply due to its body structure. Many also use much lighter building materials, reducing weight and pull. Some models even have wheel covers and no mirrors (replaced with cameras and navigation equipment), which saves an enormous amount of energy.
Hybrids don't seem to be a fad or some social experiment. Consumers and car enthusiasts alike are enjoying what they're seeing in the market. Everyday it seems a better designed, lighter; more fuel-efficient and powerful hybrid enters. Recently released models are even beating their gas-powered counterparts. One boasts a 255 hp engine with other capabilities such as being able to shut down half the cylinders (without notice) while in motion to conserve fuel and energy.
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