2015, Engine, Exhaust and Yukon

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2015

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Yukon

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

Green Car Congress

JULY 18, 2014

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 The 8L90 also enables numerically lower rear axle ratios, which reduce engine rpm on the highway. EcoTec3 V-8. V-8 and 6.2L

GMC

GMC Chevrolet 2015 Yukon

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

APRIL 25, 2016

DSF—a software-enabled powertrain technology that integrates advanced digital signal processing with advanced powertrain controls—reduces the pumping losses while improving the combustion stability in spark ignition engines. In 2015, Delphi also took a stake in the Silicon Valley-based company. Earlier post.)

Fuel Economy

Fuel Economy Economy GM GMC

EV Driven

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

Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

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