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

AUGUST 6, 2009

The yet-to-be-named Buick crossover will launch in late 2010, offering a family of fuel-efficient direct-injected gasoline engines, followed in 2011 by the plug-in hybrid (PHEV) model. Susan Docherty, general manager of Buick-Pontiac-GMC. direct-injected four-cylinder engine with an optional 3.0L V-6 flex-fuel engine.

Buick 210

Buick Li-ion Plug-in GM 210

Green Car Congress

AUGUST 30, 2009

The morning session started out with an hour long press conference, the highlight being the unveiling of the Volt’s 230 mpg preliminary EPA city fuel economy finding ( earlier post ), as well as a tour showing selected elements from the studios of the four GM North American brands: Chevrolet, GMC, Buick and Cadillac.

GM 262

GM Buick Fuel Economy Economy 262

Green Car Congress

JUNE 1, 2009

Livonia Engine, Mich. previously announced The New GM will: Focus on four core brands in the US—Chevrolet, Cadillac, Buick and GMC—with fewer nameplates and a more competitive level of marketing support per brand. The Chevy Equinox and GMC Terrain, midsize crossovers with highway fuel economy of 32 mpg. Powertrain.

GM 150

GM Canada 2009 2010 150