Never mind all those previous reports suggesting or declaring unequivocally the next-generation Volt will get a three-cylinder 1.0-liter range-extending generator, because today General Motors disclosed it will be a 1.5-liter four. The new engine will have improved efficiency as part of an all-new family of 1.0-1.5-liter Ecotec engines and will be built at GM’s Flint […]

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