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

Green Car Congress

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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GM Defense to develop battery pack prototype for Department of Defense

Green Car Congress

GM Defense, a subsidiary of General Motors, was selected by the Department of Defense’s (DoD) Defense Innovation Unit (DIU) to develop a battery pack prototype for testing and analysis on Department of Defense platforms. GM’s HUMMER EV Ultium battery pack. —Steve duMont, president of GM Defense.

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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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The GM/U Mich patent envisages using multiple free-piston engines (240A through 240D in the patent drawing). Click to enlarge.

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Fisker Automotive signs supply agreement with BMW for Project Nina extended range electric vehicles

Green Car Congress

BMW will supply a four-cylinder turbocharged engine for the next generation of Fisker cars, code-named ‘Project Nina’, which are scheduled to go into production in the re-commissioned former GM plant in Wilmington, Delaware at the end of 2012 and be on sale globally in 2013.

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Cadillac Converj extended range EV concept officially headed for production

Green Car Congress

GM announced that the Cadillac Converj extended range electric vehicle concept ( earlier post ) is moving forward as a production car that will be called the Cadillac ELR. Earlier post.) Development of the ELR is just underway; details on performance, price and timing will be announced later.

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GM will focus its electrification strategy on light electrification, extended range, and battery-electric vehicle technologies; major focus on the plug; preview of the Spark EV

Green Car Congress

GM will focus its vehicle electrification strategy on eAssist-type systems and the plug. Source: Larry Nitz, GM. That’s not how GM is doing business today, ” she said. “ GM is tracking to sell more than 50,000 vehicles this year with some form of electrification, Barra said—the majority of which will be eAssist systems.

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GM outlines further steps on battery safety, customer satisfaction initiatives for the Volt; the importance of de-powering the battery after a severe crash

Green Car Congress

General Motors today announced initiatives for customer satisfaction and outlined its steps in battery safety research to ensure ongoing confidence in the safety of Chevrolet Volt extended-range electric vehicle. GM has shared the process with NHTSA, and is working to extend the process and technology. Earlier post.)

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