Economy Engine Motoring Yukon 
Green Car Congress
DECEMBER 16, 2020
Unlike cylinder deactivation strategies that shut off a fixed number of cylinders, DSF makes dynamic firing decisions every 90 degrees of crank angle on a V8 (180 degrees on a 4 cylinder engine) based on how much torque is requested. DMD, for example, uses pulses of motor operation at high motor efficiency to deliver requested torque.
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.
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- liter engines. The GMC-brand vehicles include Sierra, Yukon and Savana vans. The JTG liquid-propane injection application is a fully-integrated, mono-fuel or bi-fuel engine system.
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.&
Clean Fleet Report
MAY 22, 2021
According to dozens of automotive story headlines, the internal combustion engine, running on gasoline or diesel, is dead or dying as customers, auto companies and investors flock to electric powertrains. While 2045 may still be more than two decades away, emissions advances in internal combustion engines (ICE) are continuing.
The Truth About Cars
SEPTEMBER 12, 2023
Like other GM cars (even high-end Yukon Denalis) the Malibu does not have touch-sensitive keyless entry, but relies on the 2006-era door Chiclet to lock and unlock. Paired to a CVT, in most situations the engine provides plenty of power and is fully supported by the transmission. The doors shut with a reassuring, quality sound.
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 Twin-Turbo, LF3).
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