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Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

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In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter In 2015, Delphi also took a stake in the Silicon Valley-based company. Earlier post.)

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Oak Ridge-GM prototype low-viscosity ionic liquid-additized engine oil delivers 2% fuel economy improvement over 5W-30

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A team from Oak Ridge National Laboratory and General Motors, led by ORNL researcher Dr. Jun Qu, has developed a new group of ionic liquids as lubricant additives that could help improve the energy efficiency of cars and trucks.

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BorgWarner supplying solenoid technology for GM global 6-speed FWD transmission program

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BorgWarner is supplying its mini direct-acting variable force solenoid (VFS) for General Motors’ global front-wheel drive 6-speed automatic transmission program (GF6). Featured in a range of 2015 Chevrolet, Buick and GMC vehicles, BorgWarner’s mini direct-acting VFS enables improved fuel economy and shift feel.

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BorgWarner delivers advanced technologies for new GM 8-speed transmission; stop-start

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BorgWarner supplies Eco-Launch stop/start accumulator technology and multi-segment wet friction plates for the new 8-speed rear-wheel drive automatic transmission (8L45) from General Motors. Stop/start systems increase fuel economy by turning the engine off when the vehicle stops.

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GM applies Gen 3 advanced high-strength steel in new vehicle for China; 1,200 MPa Q&P steel

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General Motors is applying third-generation advanced high-strength steel to the new Chevrolet LOVA RV from SAIC-GM, thereby reducing the weight of selected body components by approximately 20%. The recreational vehicle (RV) was launched on 19 November 2015.

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GM begins market positioning for Cruze Diesel in 2013; small displacement diesels to “fill an important niche”

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GM expects that the North American introduction of a 2.0L We recognize this technology’s considerable appeal, particularly with young male car buyers, and we are ready to win them over with quality, torque and fuel economy. Baum and Associates predicts diesel to account for 6% of US car sales by 2015. Earlier post. ).

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GM’s China JVs investing $12B between 2014-2017 to expand; GM outlines China market trends

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In conjunction with the start of Auto China 2014 in Beijing, GM China President Matt Tsien announced that GM’s China joint ventures will make capital expenditures of about $12 billion between 2014 and 2017. That investment will help GM step up its pace by funding facility and capacity expansion and new product programs.

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