Green Car Congress

MARCH 25, 2015

GM will introduce a strong hybrid version of the next-generation Malibu. Using technology from the 2016 Chevrolet Volt propulsion system ( earlier post ), Malibu Hybrid will offer an estimated combined fuel economy rating exceeding 45 mpg (5.22 engine with start/stop. engine with start/stop. Engine and Drive Unit.

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Fuel Economy Malibu Hybrid MPG Volt 150

Green Car Congress

OCTOBER 28, 2011

GM Korea introduced the Alpheon eAssist, the first hybrid vehicle from the company and the first hybrid vehicle in its segment in Korea. The new Alpheon eAssist, which will go on sale in November, offers improved fuel economy of 25% and reduced CO 2 emissions of 22% compared with the standard Alpheon model. Earlier post.).

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Fuel Economy GM Economy Buick 218

Green Car Congress

MAY 3, 2016

UPS announced an update to 125 Workhorse E-GEN series hybrid electric delivery trucks that improve fuel economy as part of the company’s broader Rolling Laboratory approach. A compact, quiet-running 650cc 2-cylinder engine replaces the previous 2.4L The smaller engine will improve fuel economy, however.

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Fuel Economy Economy Engine Fuel 150

Green Car Congress

APRIL 25, 2016

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. Earlier post.) Earlier post.)

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Fuel Economy Economy GM GMC 150

Green Car Congress

OCTOBER 10, 2014

EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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Fuel Economy MPG Economy EPA 230

Green Car Congress

JULY 9, 2011

TrueCar.com provided actual fuel economy numbers from June US light vehicle auto sales that indicate “TrueMPG” will increase to 21.6 TrueMPG computes monthly average fuel economy by brand, manufacturer, origin and vehicle segments by using actual sales data or forecasted sales data for the current month.

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Fuel Economy Economy Fuel MPG 210

Green Car Congress

APRIL 14, 2011

GM is exploring the use of an ultracapacitor-based Active Energy Recovery Buffer (AERB) scheme as a low-cost means to improve fuel economy in conventional vehicles; results of a simulation study presented at SAE 2011 World Congress showed improvement of up to 1.3% liter engine and a six-speed transmission.

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Fuel Economy Low Cost Economy GM 240

Green Car Congress

APRIL 8, 2014

The MY 2015 Chevrolet Corvette Stingray will offer a new 8-speed automatic transmission designed and built by GM. GM expects the new 8L90 eight-speed to contribute up to 5% greater efficiency, when compared to the previous six-speed automatic. EPA fuel economy test results are pending and will be announced later.

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Fuel Economy 2015 Economy Fuel 210

Green Car Congress

OCTOBER 19, 2021

Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle. Key assumptions for these two scenarios (e.g., powertrain efficiency, component weights, etc.)

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Gasoline-Electric 2020 SUV Gasoline 417

Green Car Congress

JANUARY 5, 2015

Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Their paper is published in the International Journal of Engine Research. RCCI is a dual-fuel combustion technology developed by Dr. Rolf Reitz and colleagues at the University of Wisconsin-Madison Engine Research Center laboratories.

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Fuel Economy Economy Light Fuel 150

Green Car Congress

JULY 5, 2017

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. According to the lawsuit, RAM owners report that efforts to fix the faulty emissions system significantly affect engine performance and mileage, with miles per gallon dropping as much as 25%.

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Fuel Economy Chrysler Diesel Emissions 170

Green Car Congress

SEPTEMBER 18, 2012

GM is applying a new advanced valvetrain technology on the Ecotec 2.5L four-cylinder engine used in the 2014 Impala, due next year. Chevrolet’s redesigned flagship sedan will use new Intake Valve Lift Control (IVLC) technology that enables variable intake valve lift, duration and timing over a wide range of engine operation.

GM 278

GM MPG 2014 Fuel Economy 278

Green Car Congress

APRIL 5, 2013

will invest nearly $332 million in four manufacturing sites to produce more fuel-efficient engines and transmissions. The investments at GM plants in Flint and Bay City, Mich.; will support production of a new Ecotec small gasoline engine, a new V6 engine, 8-speed transmission, and tooling for an existing 6-speed transmission.

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Gasoline GM Engine Fuel Economy 225

Green Car Congress

SEPTEMBER 29, 2010

In a presentation at the US Department of Energy’s 2010 Direction in Engine-Efficiency and Emissions Research Conference in Detroit (DEER), Cisternino described the results of an internal study that used both testbed experimental engine work as well as vehicle tests using an Opel Corsa equipped with a BAS-enhanced 1.3-liter

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Fuel Economy Diesel GM Emissions 225

Green Car Congress

MAY 26, 2015

To mark the 10 th anniversary of the foundation of GM Powertrain Europe Turin, GM President Dan Ammann visited the engineering site and announced plans to strengthen the collaboration with the Politecnico di Torino, further expanding the engineering development center.

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GM Europe Diesel Engine 150

Green Car Congress

JANUARY 5, 2015

Comparison of DSF fuel economy gains and costs with competing technologies, from Tula’s 2013 SAE paper. In 2012, GM Ventures made an equity investment in Tula; in 2013, Tula engineers presented a paper on their technology at the 2013 SAE World Congress. Wilcutts et al. Click to enlarge.

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GM Engine Fuel Fuel Economy 150

Green Car Congress

NOVEMBER 21, 2012

GM engineers and scientists will begin work in January with research partners to accelerate the development of tire technology at the new National Tire Research Center in Halifax County, Va. GM was instrumental in developing the machine’s test specifications. Earlier post.).

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GM Fuel Economy Virginia Economy 210

Green Car Congress

AUGUST 26, 2016

In Shanghai, GM Executive Director for Electrification Larry Nitz outlined the company’s short-term electrification roadmap for China. GM’s full hybrid electric system debuting on the Malibu XL Hybrid and LaCrosse Hybrid is driven by a new direct-injected 1.8L It is expected to achieve fuel economy of 4.7L/100

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GM China Buick Fuel Economy 150

Green Car Congress

FEBRUARY 17, 2012

More accurately estimating SMS can maximize mass savings, thereby increasing fuel economy. Researchers from MIT and GM have developed a tool for estimating secondary mass savings potential early in the vehicle design process. On average, that mass savings translates into a 10% savings in fuel economy.

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Fuel Economy MIT Economy GM 210

Green Car Congress

OCTOBER 23, 2012

Trunk lid inner panel is the first use of GM process for magnesium sheet metal. GM wants to expand its use of low-mass parts on vehicles around the world and will pursue licensing opportunities related to this novel technology. —on Lauckner, GM chief technology officer and vice president of Global Research & Development.

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GM Industrial Industry Fuel Economy 296

Green Car Congress

SEPTEMBER 22, 2014

The 2015 Chevrolet Colorado and GMC Canyon ( earlier post ) will offer segment-leading highway fuel efficiency for four-cylinder mid-size pickup trucks, according to EPA fuel economy estimates. No competitor in the segment offers more payload capacity than the Colorado or Canyon, GM noted. With the 3.6L Transmission.

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MPG EPA Colorado GM 231

Green Car Congress

JANUARY 29, 2014

Pinnacle Engines, developer of a highly efficient 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ), named Phil Murtaugh as the newest member of its board of directors. —Ron Hoge, Chairman and CEO of Pinnacle Engines.

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Asia Engine GM China 220

Green Car Congress

AUGUST 22, 2014

Shanghai GM officially launched the new generation Chevrolet Cruze midsize performance sedan in Shenzhen. mid-mounted naturally aspirated gasoline engines. mid-mounted naturally aspirated gasoline engines. The engines offer peak fuel economy of only 5.9 The new Chevrolet Cruze. Click to enlarge.

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Chevrolet GM Fuel Fuel Economy 265

Green Car Congress

AUGUST 6, 2014

Graphic from GM, Edwards AMR 2014 presentation. The two projects are part of a larger multi-year DOE-funded project to develop and to apply innovative simulation strategies and tools to maximize benefits of predictive information from high performance computing (HPC) for internal combustion engines. Simulation of injector.

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Engine GM Ford 2014 335

Green Car Congress

MAY 5, 2009

Internal GM testing of the new 2010 Equinox indicates that the front-wheel drive models with the direct-injected 2.4-liter liter I-4 engine will offer an EPA estimated 32 mpg on the highway and 22 mpg city. GM expects final official EPA estimates shortly. Continuously variable valve timing (VVT) optimizes the engine.

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Fuel Economy 2010 MPG Chevrolet 150

Green Car Congress

APRIL 15, 2013

The new transmissions, to be built in both front- and rear-wheel drive variants, will improve vehicle performance and increase fuel economy. Engineering teams from GM and Ford have already started initial design work on these new transmissions. —Jim Lanzon, GM vice president of global transmission engineering.

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GM Ford Chevrolet Fuel Economy 231

Green Car Congress

OCTOBER 11, 2013

Chevrolet Sales Thailand introduced the new-generation MY14 Duramax four-cylinder turbo-diesel engine in 2.5- The new Duramax engine was engineered in Europe and the US, with global application as one of its developmental objectives. Better efficiency also means better reliability, economy as well as lower emission levels.

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Diesel Engine Chevrolet Global 334

Green Car Congress

JANUARY 18, 2017

General Motors is expanding its portfolio of B20-capable vehicles to include cars and crossovers, and will field the industry’s most expansive lineup of diesel-powered vehicles in 2017, John Schwegman, director of commercial product and medium duty for GM Fleet, announced at the National Biodiesel Conference. GM Fleet ’s Biodiesel Options.

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GM GMC Silverado Chevrolet 150

Green Car Congress

OCTOBER 12, 2011

Ecotec small gasoline engine. General Motors will develop an all-new global family of small-displacement Ecotec gasoline engines over the next several years that will deliver improved fuel economy, higher quality, better performance and reduced CO 2 emissions. Click to enlarge. Earlier post.).

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Gasoline GM Global Engine 231

Green Car Congress

FEBRUARY 14, 2017

The new nine-speed automatic offers a fuel efficiency improvement of up to 2% compared to a six-speed transmission. It supports stop/start technology, which further helps save fuel by allowing the engine to shut down in certain stop-and-go driving conditions. The new nine-speed automatic has a wide 7.6:1

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China GM Buick Cadillac 186

Green Car Congress

AUGUST 2, 2009

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge.

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Fuel Economy Downsizing Obama Economy 210

Green Car Congress

SEPTEMBER 22, 2015

To enable the transmission’s stop/start functionality, BorgWarner’s Eco-Launch hydraulic accumulator and solenoid valve provide rapid, quiet and smooth engagements during engine restarts. Stop/start systems increase fuel economy by turning the engine off when the vehicle stops.

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GM Fuel Economy Cadillac Mississippi 150

Green Car Congress

JULY 22, 2014

Shanghai GM previewed the all-new Buick Envision, announcing its Chinese name as “Ang Ke Wei” (???); direct injection turbocharged engine—named one of Ward’s 10 Best Engines in 2013—which generates maximum output power of 191 kW (256 hp) and peak torque of 353 N·m (260 lb-ft). Envision is equipped with a 2.0T

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SUV GM Buick Brazil 236

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. Tula’s first DSF innovation reached proof of concept internally in 2011 and with GM in 2014.

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Yukon Vehicles Escalade Sierra 186

Green Car Congress

JULY 12, 2013

GM has made three product commitments for 2017 related to its sustainability strategy: to have 500,000 vehicles on the road in the US with some form of electrification ( earlier post ); to double the number of US models that can achieve an EPA-estimated 40 mpg US (5.9 In 2012, GM invested more than $7.3 Earlier post.).

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GM MPG Manufacturer 2017 275

Green Car Congress

DECEMBER 19, 2014

Shanghai GM launched the Chevrolet Sail 3 in Chengdu; the third-generation Sail had been unveiled last month at the Guangzhou Motor Show. engines are available. DVVT engines, and a five-speed manual transmission. VVT engine offers maximum power of 76 kW (102 hp) and peak torque of 127 N·m (94 lb-ft). Up to 5.7%

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Standards GM Chevrolet Fuel Economy 199

Green Car Congress

JANUARY 29, 2021

GM plans to become carbon-neutral in its global products and operations by 2040 and has committed to setting science-based targets to achieve carbon neutrality. The use of GM’s products accounts for 75% of carbon emissions related to this commitment. The company has also signed the Business Ambition Pledge for 1.5?C, Electrification.

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General Motors Carbon Emissions GM 199