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 mpg at DSF versus 17.34 mpg at V8 mode. Meaning, DSF reduces fuel consumption by 14-18% over V8.

Fuel Economy 150

Fuel Economy Economy GM GMC 150

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. That unit comes with a 10-speed automatic and should provide a 21 mpg combined EPA-certified economy rating when configured for front-wheel drive. But all-wheel drive is likewise available.&

Lexus 98

Lexus Highlander Yukon MPG 98

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 93

Diesel Emissions Fuel Economy Yukon 93

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 In the 2015 Corvette Stingray, the new 8-speed enables a class-leading 29-mpg (8.1 milliseconds. Transmissions'

GM 231

GM Yukon Oil Convert 231