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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

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 mpg at DSF versus 17.34 mpg at V8 mode. Meaning, DSF reduces fuel consumption by 14-18% over V8.

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2024 Lexus TX Hopes to Become a Better Family Hauler

The Truth About Cars

The infiniti QX80 and GMC Yukon are a little too big, while something like the Acura MDX is a little too small. That unit comes with a 10-speed automatic and should provide a 21 mpg combined EPA-certified economy rating when configured for front-wheel drive. cubic feet of space without having to fold any seating.&

Lexus 97
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GM to Introduce 2010 GMC Terrain at New York Show

Green Car Congress

The five-passenger crossover SUV, which shares the Theta chassis with the Chevrolet Equinox, offers estimated highway fuel economy of 30 mpg (7.8 City fuel economy is estimated to be 21 mpg US (11.2 Maximum fuel economy is achieved in part with an “ECO” mode activated via a console-mounted button.

GMC 150
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Tech: New Technology Reduces Diesel Emissions

Clean Fleet Report

A new technology may take the already quite clean (especially compared with engines of just a little more than a decade ago) engines to a level that reduces smog-producing emissions while increasing fuel economy and yet not losing any performance. The Test Procedures.

Diesel 94
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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

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