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GM recalling 656 Cadillac ELR extended range electric vehicles over calibration of Electronic Brake Control Module

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GM is recalling 656 model year 2014 Cadillac ELR vehicles not equipped with adaptive cruise control and manufactured 26 September 2013 through 14 February 2014, and equipped without Adaptive Cruise Control. NHTSA Campaign Number: 14V-144; GM’s number for this recall is 14087.). The recall is expected to begin on April 17, 2014.

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

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Source: Roland Matthé, GM. 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., Key metrics of electrified propulsion systems (GM).

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GM CTO says company accelerating electric vehicle development in China; R&D focus on batteries and lightweight materials

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General Motors is accelerating the development of electrified vehicles in China, Jon Lauckner, GM Chief Technology Officer, vice president of Global Research & Development, and president of GM Ventures, said in a presentation at the FISITA 2012 World Automotive Congress in Beijing. Earlier post.).

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GM Study Highlights The Increasing Technical Demands on Motors of Increasing Electrification; Bar Wound Stators as Good Present-Day Solution

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While hybrid architectures see a relatively small difference in temperature between the bar wound and wire wound technologies, a full EV application sees a temperature difference of more than 20 °C, according to the GM analysis. For this drive cycle, GM found, a mild hybrid motor would have an average power requirement of about 3.4

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GM, Ford R&D execs stress importance of improved, advanced fuels for future engine efficiency gains, GHG goals

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In separate presentations at the 2017 SAE High Efficiency IC Engine Symposium in Detroit, R&D executives from GM and Ford each stressed the importance of improved, advanced fuels—among other technology developments—for their future engine efficiency gains and for long-term CO 2 emissions goals. Click to enlarge.

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GM details 2016 Chevrolet Malibu Hybrid powertrain design and operation

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l/100 km) combined, 47 mpg city and 46 mpg highway; the powertrain shares the transmission architecture with the 2016 Chevrolet Volt extended range electric vehicle (EREV), but includes changes to optimize the system for engine-driven charge-sustaining operation in the range of conditions represented by the US EPA 5 cycle fuel economy tests.

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GM CEO outlines highlights of fuel economy plan through MY2016: lightweighting; more efficient gasoline and clean diesel engines, electrification

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Within his talk about the need for a US energy policy at the IHS CERAWeek 2013 energy conference in Houston, GM Chairman and CEO Dan Akerson outlined some highlights of the company’s fuel economy plan through the 2016 model year. GM, said Akerson, is doing a much better job optimizing mass efficiency. Clean diesel. Earlier post.).