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.

Fuel Economy 150

Fuel Economy Economy GM GMC 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. Because each combustion event is selected to allow optimal efficiency, DSF reduces fuel and CO 2 , and for diesel applications, NO x emissions.

Yukon 186

Yukon Vehicles Escalade Sierra 186

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 94

Diesel Emissions Fuel Economy Yukon 94

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 Tahoe Fuel Economy 268

The Truth About Cars

SEPTEMBER 12, 2023

And after three days and some 700 miles behind the wheel of a 2023 example, your author has a few observations and a strong overall opinion on the very last domestic midsize sedan in production. High sills, a thick C-pillar, and a narrow, high rear window push the experience away from confident motoring.

Chevrolet 80

Chevrolet GM Yukon Miles 80