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Electric Cars - Sometimes called Electric Vehicles, or EVs, use large batteries to store electricity which is then used to drive the wheels. It is as simple as that. The advantages are that electric cars are much quieter than internal combustion engines, and generate zero direct pollution. The disadvantages are the time needed to charge the batteries, the availability of charging stations, lack of range, low top speed, and lack of acceleration. One of the biggest advantages is the low-cost of running an electric car...literally a few cents per mile.
Hybrids - Hybrids are a combination of an internal combustion engine and a battery-powered electric car. They have a fuel tank for gasoline and the engine burns gasoline just like a normal car. But they also have a large battery which can either be charged by plugging in, but also uses the friction created by braking to recharge itself. The battery provides a 'boost' to the engine, providing power which allows the engine to run much, much more efficiently. The byproduct is higher miles per gallon of fuel, and lower of the vehicle is another factor to consider. A combustion engine requires a larger frame to support its weight . However the engine is powerful enough to move a large vehicle. Electric cars are designed to be power-efficient, so they shed weight everywhere they can. This includes the safety features. Electric cars do not have the heavy metal cages built around the passengers the way gas-powered cars do. Nor do they have the space. The internal room, cargo areas, and number of passengers are generally smaller on electric cars.