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

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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 It is a dual-equal cam phasing system that adjusts camshaft timing at the same rate for both intake and exhaust valves.

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Emissions testing shows Lighting Hybrids hydraulic hybrid drive delivers significant reduction in NOx, up to 18% improved fuel consumption

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Lightning Hybrids (LH), a provider of hydraulic hybrid drive systems for fleet vehicles such as shuttle buses, delivery vehicles and work trucks ( earlier post ), has released some results from its ongoing emissions testing with SGS Environmental Testing Corporation. Fuel savings and corresponding reductions in CO 2 emissions.

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GM Testing Indicates 2010 Chevrolet Equinox Will Offer Best-In-Segment Highway Fuel Economy of 32 mpg

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At 32 mpg, the 2010 Equinox will offer best-in-segment highway fuel economy and have a highway driving range of up to 600 miles. GM’s biggest competitors in this segment and their 2009 EPA fuel economy estimates are the Honda CR-V (20/27) and the Toyota RAV-4 (22/28). Click to enlarge. The 2010 Ecotec 2.4L

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New GM EcoTec3 engine family for 2014 Silverado and Sierra pickups; direct injection, cylinder deactivation and CVVT

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V-6 EcoTec3 AFM VVT DI (LV3) for Chevrolet Silverado and GMC Sierra. The newly unveiled 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 pickup trucks will deliver more power, more torque and improved fuel efficiency, partly due to a trio of all-new EcoTec3 engines designed specifically for the needs of full-size truck customers.

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GMs Expanding Gasoline Direct Injection Engine Portfolio

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The newly introduced GMC Terrain ( earlier post ) became the latest GM North American model that will feature a fuel-efficient gasoline direct injection (DI) engine in 2010. The new Chevrolet Equinox and GMC Terrain vehicles will offer the Ecotec 2.4L GMC Acadia. GMC Acadia. GMC Terrain. Click to enlarge.

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