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8-speed auto – when more equals less


May 27, 2007, 9am. Hot high-technology in the luxury market is now the electronically-controlled eight-speed gearbox.

Lexus has the first and others, including Honda, GM and ZF, have them under development.

But it’s not just a “more is better” race – ZF believes its eight-speed (pictured) could improve fuel economy by six percent compared to a six-speed.


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