Fuel Economy Motor Yukon 
Green Car Congress
AUGUST 8, 2012
Icom North America, a developer and manufacturer of liquid-injection propane (autogas) systems for commercial and consumer vehicles, has received 17 new US Environmental Protection Agency (EPA) certifications for its patented JTG II Propane Liquid Injection bi-fuel systems. The GMC-brand vehicles include Sierra, Yukon and Savana vans.
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.
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 Meaning, DSF reduces fuel consumption by 14-18% over V8. liter V8 by operating using Dynamic Skip Fire.
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.
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. Because each combustion event is selected to allow optimal efficiency, DSF reduces fuel and CO 2 , and for diesel applications, NO x emissions.
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
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.
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