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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 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). The powertrain system—the patent application for which was filed in 2009—includes an electrical energy storage system—such as a Li-ion battery pack—and an electric traction motor. Click to enlarge.

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Jaguar Introduces C-X75 Gas Micro-turbine Extended Range Electric Vehicle Concept

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Jaguar has unveiled the C-X75 concept, an extended range electric vehicle that uses twin gas micro-turbines from Bladon Jets to power two switched reluctance generators from SR Drives. Turbines offer a number of advantages over a reciprocating piston engine when powering range-extending generators, Jaguar says.

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Volvo Trucks presents new electric axle for extended range

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The new e-axle integrates the electric motors and the transmission into the rear axle, thereby freeing up space for more batteries. More batteries mean longer range, which creates opportunities for long distance transports to also be electrified. They can currently cover a wide range of transport assignments.

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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. Earlier post.).

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First public test flight of Airbus electric 2-seat E-Fan aircraft at E-Aircraft Day; precursor to 4-seat extended range version

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will be a fully electric training aircraft powered only by batteries. will be a training and general aviation aircraft which will also have a combustion engine within the fuselage to provide an extended range or endurance. Total static engine thrust is about 1.5 The two-seater version E-Fan 2.0

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

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Examples of degradation effects causing Li-ion battery power or capacity fading. 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.,