The issues that auto manufacturers faced with conventional batteries had to do with the life of a fully charged battery. The other problem was the size, lack of power, and expense. Lithium batteries pack more power and last longer than traditional batteries on the market. Now that Toyota has sold over one million hybrids world wide the company will focus on reducing the cost of their hybrid vehicles by one-half according to Toyota's president.
Hybrid cars are more fuel-efficient than regular gasoline engine vehicles, which is better for the environment. These vehicles are more fuel efficient, in short, because of its engine structure. Hybrid cars use a gasoline engine as well as an electric engine, which allow it to get better gas mileage.
Toyota Prius is car With Hybrid
Technology in 2011