
Hybrid cars get better gas mileage and pollute less because their highly efficient electric motors run on recycled waste energy generated during normal driving. These cars actually have two engines under the hood: a traditional gasoline-powered motor used for acceleration, and an electric motor that kicks in and out of service when the car is maintaining cruising speeds and when the car is idling or backing up. Excess power generated by the gasoline engine is stored in batteries and used to fuel the electric engine, so owners never need to plug the cars in.
>> Read the Full Article