DETROIT – The outlook for fuel economy-enhancing continuously variable transmissions (CVTs) took a hit this week as sources from General Motors Corp.’s Powertrain Div. say the world’s largest auto maker plans to kill its Hydra-Matic Variable Transmission intelligent (VTi) CVT next year. The VTi currently is used in the Saturn Vue (4-cyl.) and Ion and in GM Europe’s Opel Vectra. The Ion and Vectra applications drop the CVT after the ’04 model year, leaving only all-wheel-drive versions of ...

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