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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

Green Car Congress

mpg at DSF versus 17.34 mpg at V8 mode. The base engine is used by General Motors in many applications, among them, the 2010 GMC Yukon Denali. This capability of DSF provides us the opportunity to choose firing patterns which produce surprisingly lower NVH than V8 at equivalent power. —Eisazadeh-Far and Younkins.

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Details on GM’s new efficient top-end 8-speed automatic

Green Car Congress

The 8L90, the replacement for the venerable 6L80 six-speed in GM’s lineup, is offered as well as standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L In the 2015 Corvette Stingray, the new 8-speed enables a class-leading 29-mpg (8.1 milliseconds. Transmissions'

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