It goes without saying that the current-generation Chevrolet Malibu has been something of a disappointment. Almost as soon as the Malibu hit the streets in late 2011, Chevrolet engineers began work on an all-new next-generation model that goes on sale this fall.  While full details of the Chevy’s new midsize sedan will have to wait until next week’s New York Auto Show, I can now tell you about the all-new hybrid powertrain that will be available.

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