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Kia Optima Hybrid
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The 2011 Optima Hybrid uses a full parallel hybrid system and can be driven in zero emission, full-electric drive mode at speeds up to 62 miles per hour or in blended gas-electric mode at any speed. When the car comes to a stop and the electrical load is low, the engine shuts off to completely eliminate idle fuel consumption and emissions.
The 2011 Optima Hybrid's outstanding efficiency is due in large part to the use of a lithium polymer battery, which was developed in South Korea with partner LG Chem. The power and energy density of this new battery type allowed Kia engineers to create a lighter and more compact battery pack, with the 30 kilowatt battery pack weighing just 95.9 pounds – 28 pounds less than the 2011 Toyota Camry Hybrid's nickel metal hydride pack – which aids fuel economy and also helps to maximize Optima's cargo space.
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