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.

Yukon 186

Yukon Vehicles Escalade Sierra 186

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 V8 engine, modified by Tula to be compatible with Dynamic Skip Fire. Earlier post.) Earlier post.).

Fuel Economy 150

Fuel Economy Economy GM GMC 150

Green Car Congress

JULY 18, 2014

Chevrolet and GMC have confirmed a new eight-speed automatic transmission will be standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L The 8L90 also enables numerically lower rear axle ratios, which reduce engine rpm on the highway. EcoTec3 V-8. Click to enlarge.

GMC 210

GMC Chevrolet 2015 Yukon 210

Green Car Congress

AUGUST 8, 2012

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. It is designed specifically for use with OEM gasoline engines.

EPA 236

EPA GM Yukon Tahoe 236

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. & The base powertrain will be a turbocharged 2.4-liter

Lexus 98

Lexus Highlander Yukon MPG 98

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.

Diesel 94

Diesel Emissions Fuel Economy Yukon 94

Green Car Congress

APRIL 5, 2009

The five-passenger crossover SUV, which shares the Theta chassis with the Chevrolet Equinox, offers estimated highway fuel economy of 30 mpg (7.8 L/100km) from its 2.4L, four-cylinder Ecotec direct injection engine. City fuel economy is estimated to be 21 mpg US (11.2 Both engines are mated to six-speed automatic transmissions.

GMC 150

GMC New York 2010 Yukon 150