Green Car Congress

OCTOBER 23, 2014

Nat G CNG Solutions has delivered the first natural gas half-ton pickup trucks with General Motors’ 5.3-liter liter direct injection engine. The DuraDrive DI system is a completely redesigned system using Tier 1 OEM tested components engineered to accommodate the unique operating characteristics of the direct injection engine.

Texas 259

Texas Gas San Antonio GM 259

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

Green Car Congress

APRIL 25, 2016

DSF—a software-enabled powertrain technology that integrates advanced digital signal processing with advanced powertrain controls—reduces the pumping losses while improving the combustion stability in spark ignition engines. mpg at DSF versus 17.34 mpg at V8 mode. Earlier post.) Earlier post.). Click to enlarge.

Fuel Economy 150

Fuel Economy Economy GM GMC 150

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 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 —Hart et al. axle ratio.

GM 231

GM Yukon Oil Convert 231