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

JUNE 13, 2010

Shanghai GM has outlined the next phase of its “Drive to Green” product strategy—launched in 2008 ( earlier post )—for 2011-2015. Shanghai GM will introduce 12 new engines through 2015, including several with small displacements, such as a 1.5-liter liter VVT engine and 1.4-liter liter turbocharged engine. liters and 2.5

GM 210

GM 2015 Buick Engine 210

Green Car Congress

NOVEMBER 27, 2012

Extended-range electric vehicles, which offer electric propulsion and contain an on-board engine generator to extend the vehicles’ range. GM has brought to the China market the Chevrolet Volt extended-range electric vehicle, Buick LaCrosse with eAssist and Cadillac Escalade Hybrid.

GM 240

GM China Electric Vehicles Batteries 240

Green Car Congress

JANUARY 12, 2010

V-6 Direct Injection gasoline engine paired with a plug-in two-mode hybrid system. The XTS Platinum concept’s plug-in hybrid electric propulsion system (PHEV) builds on the experience Cadillac has gained with the Escalade Hybrid and Escalade Platinum Hybrid flagship models (which also feature the two-mode system).

Cadillac 257

Cadillac Plug-in Concept Plug 257