Hybrid cars may cost you extra dollars but they are profitable in the long run. From higher fuel efficiency to lower emission they beat the conventional combustion engine vehicles. The secret behind environment friendly motoring lies in the hybrid powertrain design.

The core of the hybrid system is a combined powertrain comprising a smaller but powerful gas engine and one or two electric motors. Hybrid cars rely on both the engine and the motors to run concurrently when power need is at its peak. Less consumption of gasoline and implementing eco-friendly nickel metal or lithium ion batteries ensure low emission by hybrid vehicles.

Though the EPA standard for carbon dioxide emission is 5.5 metric tons the top-rated hybrid vehicles like Honda Insight and Toyota Prius set the bench mark with an incredible 3.5 tons.

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