GM to roll out lithium ion hybrids in 2010

General Motors will use lithium-ion batteries in its fleet starting in 2010.

Excerpt:

GM says the lithium-ion batteries help make the mild hybrid system three times as powerful as the nickel-metal-hydride system used in current mild hybrids but take up 24 percent less space and are 40 percent lighter. In addition, the electric motors used in the system are three times as powerful. GM notes that the new hybrid system can be paired with its Ecotec four-cylinder engine without major vehicle re-engineering.

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