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BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

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Christopher Thomas, BorgWarner VP, Advanced Engineering, Engine Group and VP, Advanced Engineering, Drivetrain Group presented the basic concepts of VEMB and current BorgWarner test results at the recent SAE 2012 High Efficiency IC Engine Symposium. improvement in fuel economy on an E-class vehicle (e.g.,

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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. A good rule of thumb is that a 10% reduction in curb weight will reduce fuel consumption by about 6.5%.

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Buick introduces Volt-based Velite 5 extended-range electric vehicle in China

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The Velite 5, Buick’s first extended-range electric vehicle, made its global debut in Shanghai today. direct injection engine as well as its new-generation lithium battery pack. The Velite 5 offers up to 768 kilometers (477 miles) of range in extended-range mode. Top: Buick Velite 5. Click to enlarge.

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SAE REX: PHEVs and REEVs could open door for advanced combustion regime engines

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In his introductory keynote, Michael Berube, Vehicle Technologies Office Director, Office of Energy Efficiency and Renewable Energy, noted the importance of both engine and fuel technology in a PHEV scenario. If PHEVs are going to play a big role, what is the fuel source for that? How efficient will it be? Not the only one.

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Buick to introduce extended-range electric vehicle in China this year; also new generation 1.0T/1.3T Ecotecs and 9-speed

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Buick will adopt GM’s proven extended-range electric vehicle (EREV) technology, a new-generation of 1.0T/1.3T Ecotec engines and a nine-speed transmission in new or refreshed models launched in China this year. In EREV mode, which leverages an on-board engine, the range increases to an estimated 700 km (435 miles).

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UC Davis Study Finds That Ultracapacitor-based Micro-Hybrid Systems Can Deliver Substantial Fuel Economy Improvements

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Using a micro-hybrid system featuring carbon/carbon ultracapacitor units as energy storage can result in significant increases in fuel economy over a baseline conventional vehicle, according to a study by Dr. Andrew Burke at UC Davis. The simulations used a “sawtooth” control strategy to optimize the efficiency of the engine.

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Allison Transmission announces global availability of 9-speed transmission, expanded electrification portfolio at IAA CV

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At IAA Commercial Vehicles, Allison Transmission announced that it will offer its medium-duty, fully automatic 9-speed transmission globally, and that it has developed an electric hybrid system with purely electric extended range. Battery charging is accomplished via regenerative braking and engine operation.

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