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

Green Car Congress

OCTOBER 31, 2011

General Motors will invest approximately $385 million to prepare the Romulus Engine plant in Michigan for production of an all-new, fuel-efficient engine program. Romulus-built engines also are used for marine and industrial applications. The investments will support tooling and equipment upgrades.

Engine 170

Engine Yukon GM Tahoe 170

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

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.

EPA 236

EPA GM Yukon Tahoe 236

Green Car Congress

OCTOBER 26, 2009

General Motors developed its Two-Mode Hybrid powertrain control system using Model-Based Design software from The Mathworks. The complex control system is currently in production in the GMC Sierra Hybrid, GMC Yukon Hybrid, Chevy Tahoe Hybrid, Chevy Silverado Hybrid, and Cadillac Escalade Hybrid vehicles. Earlier post.).

General Motors 210

General Motors Design Hybrid Motor 210

The Truth About Cars

JUNE 9, 2023

The infiniti QX80 and GMC Yukon are a little too big, while something like the Acura MDX is a little too small. liter to 362 horsepower thanks to dual electric motors offering default all-wheel drive. However, it’s not so much focused on saving fuel as it is promoting fun.

Lexus 98

Lexus Highlander Yukon MPG 98

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