Green Car Congress

OCTOBER 23, 2014

The 2015 model vehicles were purchased by local Houston company NewTex Plumbing and San Antonio-based Pioneer Energy Services. During EPA testing the DuraDrive DI set a record for efficiency on an eight-cylinder natural gas truck, achieving 23 mpg (10.2 liter direct injection engine. l/100 km) highway. In addition to supporting the 5.3-liter

Texas 259

Texas Gas San Antonio GM 259

Green Car Congress

APRIL 25, 2016

In 2015, Delphi also took a stake in the Silicon Valley-based company. In the ongoing quest to reduce fuel consumption, some engine manufacturers are incorporating devices that deactivate the valve train in some cylinders in an effort to reduce pumping losses—one of the primary energy losses in throttled spark ignition engines.

Fuel Economy 150

Fuel Economy Economy GM GMC 150

Green Car Congress

AUGUST 21, 2014

2015 Hydra-Matic 8L90 (M5U) Eight Speed RWD Automatic Transaxle Click to enlarge. GM is offering a version of its new GM-developed Hydra-Matic 8L90 paddle-shift eight-speed automatic transmission in the 2015 Corvette Stingray ( earlier post ) and Z06. In the 2015 Corvette Stingray, the new 8-speed enables a class-leading 29-mpg (8.1

GM 231

GM Yukon Oil Convert 231