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GM and U Mich receive patent on plug-in series hybrid/extended range electric vehicle powertrain using multiple free piston linear alternator engines

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GM Global Technology Operations LLC and the Regents of the University of Michigan recently were awarded a US patent (Nº 8,261,860) for a plug-in series hybrid or range-extended electric vehicle powertrain using multiple free piston linear alternator (FPLA) engines. Click to enlarge.

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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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During the serial media launch events for the Chevrolet Volt, GM provided more detail (subsequent to the completion of related patent work) on the novel drive architecture applied in their first extended range electric vehicle to enhance the efficiency of both the battery electric and extended-range driving modes.

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Rolls-Royce developing turbogenerator technology for hybrid-electric aviation applications

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Rolls-Royce is developing turbogenerator technology—including a new small engine—designed for hybrid-electric aviation applications. Rolls-Royce will be the leading provider of all-electric and hybrid-electric power and propulsion systems for Advanced Air Mobility and will scale this technology over time to larger platforms.

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Frost & Sullivan forecasts extended range electric vehicle market to reach more than 329K units by 2018

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New analysis from Frost & Sullivan —Strategic Analysis of Global Market for Range Extenders—estimates the total market for range extenders will exceed 329,000 units by 2018. This is fueling the trend toward plug-in hybrids and eREVs.

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GM’s vehicle electrification roadmap; little focus on conventional hybrids

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But no focus on “conventional” hybrids.). Fletcher is responsible for the Extended Range Electric Vehicle propulsion system in the Chevrolet Volt as well as the propulsion systems in GM’s upcoming line-up of Plug-In Hybrid Elecrtic Vehicles.

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GMs views on challenges for battery development for extended range electric vehicles

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Roland Matthé, GM technical manager for the Voltec battery system, provided an overview of GM’s views on the requirements and challenges for batteries specifically for extended range electric vehicles—i.e., Mild Hybrid. LaCrosse w/ e-Assist) Full Hybrid. Tahoe two-mode) Plug-in hybrid (announced) EREV.

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Via Motors, Geely to co-develop medium-duty extended-range electric truck for China and Americas

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a subsidiary of Zhejiang Geely Commercial Vehicle Group, to co-develop a medium-duty extended range electric truck. VIA Motors develops and markets extended-range electric (eREV) and all-electric (EV) powertrain systems for most vehicle classes from light-duty through Class 8.