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Univ of Toronto study details impacts of interaction between driving patterns and electricity generation for WTW energy use and GHG emissions for PHEVs

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coal, hydro, natural gas) on well-to-wheel (WTW) energy use and greenhouse gas (GHG) emissions of plug-in hybrid electric vehicles (PHEVs). C1 is shorter than C2, which is shorter than C3). Among their findings were: Regardless of the charging scenario, total energy use of the PHEV is lowest for the city driving patterns (C1?C3)

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Chevy Volt Delivers Novel Two-Motor, Four-Mode Extended Range Electric Drive System; Seamless Driver Experience Plus Efficiency

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The Volt drive unit combines two motors and three clutches to deliver four distinct operating modes to maximize efficiency and provide a seamless driving experience. The Volt could also be called a plug-in series hybrid, depending upon your taxonomic preference.). by Mike Millikin and Jack Rosebro. Click to enlarge.

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GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

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The second-generation “Voltec” extended range electric powertrain applied in the MY2016 Chevy Volt ( earlier post ) marks a significant evolution in the electric drive technology platform from its first-generation origins. For the second-generation, GM wanted to enhance the electric performance of the Volt. liter range extender engine.

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