The Truth About 4x4 Hybrids
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In the not-so-long-term, DaimlerChrysler, GM, and BMW have teamed to develop an innovative Two-Mode Hybrid System that will be applied to '08 models of the Chevy Tahoe/GMC Yukon and Dodge Durango. Inside that transmission case are two electric motors that are electronically controlled to boost power at low and high engine speeds (hence the Two-Mode name). Because the unit is no larger than a conventional automatic transmission, it can be adapted to fit a wide range of RWD, FWD, and 4WD vehicles. GM and DaimlerChrysler estimate the Two-Mode system will deliver a 25 percent improvement in overall fuel economy. View Related Article
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