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GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

Green Car Congress

The company is also the thermodynamic efficiency of gasoline engines using a suite of technologies that include downsizing, turbocharging, direct injection, variable valve timing and cylinder deactivation. Earlier post.). The 2020 target was raised from 0.70 to reflect this change. MWh per vehicle, less than half the industry average of 2.37

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