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GM heat pump recovers energy from EV battery to power heating & propulsion while helping conserve range: Ultium Energy Recovery

Green Car Congress

Covered by 11 patents and four publications, the development of Ultium energy recovery traces its inception back to GM’s first EV, the EV1, in the late 1990s, when GM engineers first developed an EV heat pump. EV batteries, power electronics and other propulsion components produce heat.

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GM develops prototype two-mode hybrid transmission with enhanced EV capability for plug-in hybrids

Green Car Congress

GM has developed a prototype of its two-mode front-wheel drive (FWD) hybrid transmission ( earlier post ) with enhanced electric vehicle capability (2MH4EV) for application in a plug-in hybrid; GM presented a paper detailing the work at the SAE 2011 World Congress in Detroit. With this, there are two new electric-only modes: EV1 and EV2.

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XL1 dive and drive: Volkswagen aggressively optimizes for efficiency in its sleek diesel plug-in hybrid

Green Car Congress

The XLI can be also be put into a charging mode, which runs the engine at a slightly higher point that required, using the excess power to generate electricity to recharge the battery. Power and torque curves for the XL1. Volkswagen hosted Green Car Congress at the Wolfsburg event. Click to enlarge. (In Click to enlarge.

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AeroVironment Awarded Patent for Electric Vehicle Energy Data Management and Control; Web-based System Solution for EV Battery Optimization

Green Car Congress

7,444,192 ) by the United States Patent and Trademark Office (USPTO) for technology that facilitates the optimal charging, management, control and maintenance of battery packs, chargers and electric vehicles (EVs). (AV) has been granted a patent (no.

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GM Says Chevrolet Volt Won't 'Pay the Rent' | Autopia from Wired.com

Tony Karrer Delicious EVdriven

Posted by: AJ | Apr 13, 2009 3:24:59 PM Dont buy the hype, version 1 was the EV1 which GM released in 1996. Posted by: J-Bob | Apr 13, 2009 4:48:10 PM "Dont buy the hype, version 1 was the EV1 which GM released in 1996. Posted by: canderson | Apr 13, 2009 5:02:50 PM The EV1 gave drivers 80 miles on a charge. Thats right.

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