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FYI- GM, Daihmler, and ford have created an alliance and are producing their own hybrids that are SIGNIFICANTLY more effecient than the asian companies.

"When compared to conventional hybrid systems, this avant-garde hybrid technology, relying on both the ECVT modes and the four fixed gear ratios, provides advantages in combined (city and highway) fuel economy, dynamics and towing capability.

Traditional hybrid systems typically have only one torque-splitting arrangement and no fixed mechanical ratios. These systems are often called "one-mode" hybrids. Due to their less capable mechanical content, one-mode hybrids need to transmit a significant amount of power through an electrical path that is 20 percent less efficient than a mechanical path. This requires usually substantial compromise in vehicle capability or reliance on larger electrical motors, which can create cost, weight and packaging issues.

General Motors, DaimlerChrysler and the BMW Group have conceived a full hybrid system featuring four fixed mechanical ratios, within the two ECVT modes, to reduce power transmission through the less efficient electrical path. Consequently, the electric motors are more compact and less dependent on engine size."

http://www.theautochannel.com/....html
 
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