GM's new head of powertrain 'loves' diesels - 0 views
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GM introduced one of the biggest engine programs in its history. Later this spring GM will debut the first of a new family of small Ecotec engines, 11 in all, that will be built around the world in five plants by 2017. The new three- and four-cylinder engines will eventually account for nearly 25 percent of GM’s total engine production and produced at the rate of 10,000 engines a day.
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GM and Ford are collaborating on a new generation of 9- and 10-speed transmissions. The 10-speed gearboxes will be used in both company’s pickups in about two years. The F-150 and the GM twins, Chevrolet Silverado and GMC Sierra, lag far behind Chrysler’s Ram 1500 Ecodiesel in the fuel economy race.
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for the time being, both trucks use six-speed transmissions, while the Ram has 8-speeds.
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