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GM will debut 2014 Cadillac ELR extended range electric vehicle at NAIAS in January

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The 2014 Cadillac ELR extended-range electric luxury coupe, based on the Converj concept ( earlier post ), will make its world debut 15 January at the North American International Auto Show (NAIAS) in Detroit. Earlier post.).

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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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Cadillac extended range electric vehicle ELR to be built at Detroit-Hamtramck

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GM will build the Cadillac ELR, a luxury coupe featuring extended-range electric technology, at the Detroit-Hamtramck Assembly, General Motors North America President Mark Reuss said Tuesday. Detroit-Hamtramck is home to the Chevrolet Volt, Opel Ampera, and Holden Volt extended-range electric vehicles.

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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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GM Defense to develop battery pack prototype for Department of Defense

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

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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

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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.