article thumbnail

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

GMC 210
article thumbnail

GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6

Green Car Congress

V-8 EcoTec3 AFM VVT DI (L83) for Chevrolet Silverado and GMC Sierra. The 2014 GMC Sierra 1500 full-size pickup truck features a new 5.3L The 2014 GMC Sierra 1500 full-size pickup truck features a new 5.3L In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L

Sierra 262
article thumbnail

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.

article thumbnail

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

Green Car Congress

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

article thumbnail

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

Green Car Congress

Broadly, the test results show significant reductions in NO x , particularly against a non-hybrid diesel baseline, and fuel economy improvements of up to 18% for the vehicle and under the drive cycles tested. The hybrid vehicle under test was a 2010 GMC 3500/4500 Savana Cutaway with a GM 6.0

Hybrid 150
article thumbnail

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

Green Car Congress

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.

Sierra 218
article thumbnail

Road Test: 2021 Cadillac Escalade Duramax 4WD

Clean Fleet Report

I have driven several Chevrolet and GMC vehicles with the wonderful Duramax turbodiesel engine, so expectations were high for a luxury week behind the wheel. Fuel economy for the 3.0L This means when towing a grade it will pull strong and still deliver good fuel economy. It did not disappoint. The comfy chair.