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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 Meaning, DSF reduces fuel consumption by 14-18% over V8. liter V8 by operating using Dynamic Skip Fire.

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Tula Technology hits milestone of 1M vehicles produced with Dynamic Skip Fire

Green Car Congress

The result is that the engine dynamically fires the optimal number of cylinders to maximize fuel economy while maintaining a smooth ride with commercial levels of noise and vibration. Because each combustion event is selected to allow optimal efficiency, DSF reduces fuel and CO 2 , and for diesel applications, NO x emissions.

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2015 Chevrolet and GMC pickups, SUVs to offer eight-speed transmission with EcoTec3 V-8

Green Car Congress

Chevrolet and GMC have confirmed a new eight-speed automatic transmission will be standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L As with other EcoTec3 engines, it seamlessly switches to four-cylinder operation under lighter loads to improve fuel economy.

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LPG system provider Icom earns 17 new EPA certifications For GM vehicles

Green Car Congress

Icom North America, a developer and manufacturer of liquid-injection propane (autogas) systems for commercial and consumer vehicles, has received 17 new US Environmental Protection Agency (EPA) certifications for its patented JTG II Propane Liquid Injection bi-fuel systems. The GMC-brand vehicles include Sierra, Yukon and Savana vans.

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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.

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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. Running dDSF also saved 20 percent in fuel. The Test Procedures.

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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. However, it’s not so much focused on saving fuel as it is promoting fun. liter V6 gasoline engine for a very agreeable 406 horsepower and 30 mpg combined fuel economy.

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