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Add2012 BMW ActiveHybrid 3 nav system uses altitude to optimize hybrid efficiency

Somewhat lost in the fanfare of BMW introducing a hybrid version of its best-selling 3 Series at the Detroit Auto Show was a brief mention of its new navigation technology. The 2012 ActiveHybrid 3 will be the first hybrid to use its nav system to help predict the best time to use and recharge its battery. This will go well beyond currently available navigation technology that plots economical travel routes based on traffic and speed limits, also incorporating altitude, final destination and othe

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