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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.

GMC 210
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Final US mpg rules through 2031 go easy on gas trucks, SUVs

Baua Electric

The federal government on Friday revealed vehicle efficiency standards for 2027-2031 that improve the fleet fuel efficiency of new cars and trucks—slightly. That’s down significantly from the 4% annual increase originally proposed for trucks and SUVs, which are already held to a lower standard and have become the dominant portion of U.S.

MPG 52
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GM big SUV buyers to be compensated for wrong fuel economy on window stickers

Green Car Reports

General Motors will compensate owners of three large crossover SUV models for misstated fuel economy on window stickers. Last week, GM issued a stop-sale order for the 2016 Buick Enclave, Chevrolet Traverse, and GMC Acadia. The EPA fuel-economy ratings on the window stickers for these models were found to be inaccurate.

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Flash Drive: 2022 GMC Hummer EV Pickup

Clean Fleet Report

Which 2022 GMC Hummer EV pickup truck do you want to own? Luckily, you don’t need to make this choice, as both come with what GMC is calling a “Supertruck.”. Luckily, you don’t need to make this choice, as both come with what GMC is calling a “Supertruck.”. GMC hinted a shade system may be in the works. Power and Torque.

Hummer 97
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Road Test: 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro

Clean Fleet Report

The 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro showed-up in my driveway and the neighbors took notice. But maybe since the predominant vehicles on the road these days are midsize to large SUVs, a big truck really isn’t so big. Power and Torque and Fuel Sipping. Fuel economy for the 3.0-liter

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

Green Car Congress

GM will introduce its new 2010 GMC Terrain at the New York International Auto Show (NYIAS) this week. 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

GMC 150
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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge. Knittel, 2009.