Green Car Congress

AUGUST 8, 2012

The new certifications cover approximately 200 2010-2012 General Motors Chevrolet- and GMC-brand light-duty trucks and SUV platforms with 4.8- The GMC-brand vehicles include Sierra, Yukon and Savana vans. liter engines. The Chevrolet-brand vehicles include Silverado, Tahoe, Express vans, Avalanche and Suburban.

EPA 236

EPA GM Yukon Tahoe 236

Green Car Congress

SEPTEMBER 24, 2012

General Motors Research & Development developed an aluminum-to-aluminum welding technology expected to enable more use of the lightweight metal on future vehicles, which can help improve fuel economy and driving performance. GM plans to use this technology more extensively starting in 2013.

GM 268

GM Yukon Fuel Economy Tahoe 268

Green Car Congress

JANUARY 28, 2010

Car buyers shouldn’t be forced to buy high-end bells and whistles when fuel economy and reducing emissions are their top priority. Ford, General Motors, Honda and Toyota all sell models with high hybrid value ratings, UCS noted. Hybrids don’t have to be luxury vehicles. They should be within the reach of all Americans.

LS 600H 236

LS 600H Hybrid Civic Hybrid Fusion 236

Green Car Congress

APRIL 25, 2016

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 Tula Technology used a production General Motors L94 6.2L liter V8 by operating using Dynamic Skip Fire.

Fuel Economy 150

Fuel Economy Economy GM Fuel 150

Green Car Congress

DECEMBER 16, 2020

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. Tula’s proprietary technology is being used in the top-selling Cadillac Escalade, Chevrolet Silverado and Suburban, and the GMC Sierra and Yukon.

Yukon 186

Yukon Vehicles Escalade GM 186

Green Car Congress

AUGUST 21, 2014

The 8L90, the replacement for the venerable 6L80 six-speed in GM’s lineup, is offered as well as standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L increase in fuel economy over the previous six-speed automatic—and a quicker 0-60 time of 3.7 milliseconds.

GM 231

GM Oil Yukon Convert 231

Clean Fleet Report

MAY 22, 2021

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. The software upgrade doesn’t require any hardware changes to the motor or vehicle.

Diesel 105

Diesel Emissions Fuel Economy Yukon 105