Green Car Congress

OCTOBER 23, 2014

GMC Sierra and Chevy Silverado trucks for each fleet were upgraded to run on either natural gas or gasoline using the new DuraDrive DI natural gas system, supplied by Utah-based AGA Systems. During EPA testing the DuraDrive DI set a record for efficiency on an eight-cylinder natural gas truck, achieving 23 mpg (10.2 l/100 km) highway.

Texas 259

Texas Gas San Antonio Engine 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. Additionally, the TX is supposed to offer more room for luggage, yielding 20.1

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. Tula has a track record with gasoline engine applications of the DSF technology.

Diesel 105

Diesel Emissions Fuel Economy Yukon 105