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. This reduces the truck's fuel economy, according to the complaint.

Fuel Economy 170

Fuel Economy Chrysler Diesel Emissions 170

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.

GM 150

GM Engine Fuel Fuel Economy 150

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 GM expects final official EPA estimates shortly. At 32 mpg, the 2010 Equinox will offer best-in-segment highway fuel economy and have a highway driving range of up to 600 miles. Click to enlarge.

Fuel Economy 150

Fuel Economy 2010 MPG Chevrolet 150

Green Car Congress

MAY 13, 2010

One of GM’s innovations involves the creation of a shape memory alloy (SMA) heat engine for power generation from waste engine heat. Source: GM. in 2009 are green innovations, evidence of the rapid development by GM researchers and engineers. GM was the only automaker to receive an ARPA-E award in the first round of funding.

2009 218

2009 GM Green General Motors 218

Green Car Congress

OCTOBER 11, 2013

Better efficiency also means better reliability, economy as well as lower emission levels. —Nicola Menarini, Global Chief Engineer, GM Powertrain. The new Duramax engine uses an electric EGR valve for greater precision and a larger EGR cooler to further reduce recirculated exhaust gas temperature. Click to enlarge.

Diesel 334

Diesel Engine Chevrolet Global 334

Green Car Congress

JANUARY 5, 2015

Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Among their findings were that multi-mode RCCI has the potential to offer greater than 15% fuel economy improvement over a 2009 gasoline PFI baseline over many light-duty driving cycles, despite the lack of complete drive cycle coverage for RCCI mode.

Fuel Economy 150

Fuel Economy Economy Light Fuel 150

Green Car Congress

AUGUST 6, 2014

Graphic from GM, Edwards AMR 2014 presentation. The umbrella projects addresses specific technology barriers identified by DOE and industry stakeholders; Ford and GM had expressed interest in working with Oak Ridge in these areas, and GE came later and was worked in under the same project, notes Edwards. Simulation of injector.

Engine 335

Engine GM Ford 2014 335

Green Car Congress

NOVEMBER 29, 2009

GM unveils the US production version of the 2011 Chevrolet Cruze compact sedan at the LA Auto Show on 2 December. The Cruze is a GM global car; the North American version features a new Ecotec 1.4L The Cruze is a GM global car; the North American version features a new Ecotec 1.4L fuel economy. The 2011 Cruze. Valvetrain.

Chevrolet 210

Chevrolet GM MPG Auto 210

Green Car Congress

DECEMBER 13, 2012

From January through November 2013, GM has sold 506,088 Silverados and Sierras—22% of all vehicles it sold in that period.). SAE-certified horsepower and torque ratings and EPA fuel economy estimates for the new Silverado and Sierra will be available beginning early next year. The new engine family includes a 4.3L V6, a 5.3L

Sierra 218

Sierra Silverado 2014 Engine 218

Green Car Congress

SEPTEMBER 16, 2021

Cylinder Deactivation leverages Jacobs’ well-established componentry to disable engine valves in selected cylinders allowing a large engine to have the fuel economy of a smaller engine. Also, higher exhaust temperatures in operating cylinders maintain aftertreatment temperatures at low load conditions and start-up.

Diesel 186

Diesel Emissions Fuel Economy Alternative Fuels 186

Green Car Congress

APRIL 23, 2020

The collaboration work was carried out on a Cummins X15 Efficiency Series 6-cylinder diesel engine, which already offers class-leading fuel economy. The reduction of tailpipe NO x is achieved primarily by optimized exhaust temperature control, resulting in significantly improved conversion efficiency of the aftertreatment system.

Diesel 286

Diesel Emissions Exhaust Engine 286

Green Car Congress

JULY 18, 2014

The GM-developed Hydra-Matic 8L90 eight-speed is approximately the same size and weight as the Hydra-Matic 6L80 six-speed automatic. overall gear ratio spread is wider than GM’s six-speed automatic transmissions, providing a numerically higher first gear ratio to help drivers start off more confidently with a heavy load or when trailering.

GMC 210

GMC Chevrolet 2015 Yukon 210

Green Car Congress

DECEMBER 16, 2011

turbo offers the highest specific output of any GM production engine, and at 135 hp per liter, is the most power-dense engine certified by the Society of Automotive Engineers (SAE). The exhaust valves have sodium-filled stems that promote valve cooling. GM now has two different 2.0L At 270 hp (201 kW) The Ecotec 2.0L

Engine 210

Engine Sodium North America Buick 210

Green Car Congress

AUGUST 14, 2009

gasoline) engines, with a higher charge mass and higher temperature spread, can deliver improved thermal efficiency and better fuel economy. GM found that if ammonia formation is limited only to periods of richer operation such as acceleration, GM found no significant fuel penalty. Lean-burn (i.e., Earlier post.).

GM 150

GM Concept Engine Emissions 150

Green Car Congress

JULY 9, 2013

The estimate reflects an average of fuel economy in both the default “Tour” mode, which delivers 28 mpg highway, and driver-selectable “Eco” mode, which delivers 30 mpg highway. Fuel economy estimates for Corvette Stingrays equipped with the six-speed automatic will be finalized soon.

MPG 239

MPG EPA 2014 Fuel Economy 239

Green Car Congress

JANUARY 9, 2012

GM says the ATS will be able to deliver peak highway fuel economy of more than 30 mpg. GM is offering a choice of three power-dense engines, including two new four-cylinder units—a standard 2.5L GM is offering a choice of three power-dense engines, including two new four-cylinder units—a standard 2.5L

Cadillac 239

Cadillac 2013 Engine GM 239

Green Car Congress

APRIL 18, 2016

—Larry Nitz, GM executive director of Global Propulsion Systems. It features numerous advanced technologies such as an electronic climate control compressor, electronic power steering, exhaust thermal energy recycling, and active grille open and close that maximize its efficiency. The LaCrosse HEV is powered by a 1.8L

Malibu Hybrid 150

Malibu Hybrid Buick Hybrid Global 150

Green Car Congress

APRIL 1, 2015

The Malibu Hybrid will offer an estimated combined fuel economy rating exceeding 45 mpg (5.22 The engine also features Chevrolet’s first application of Exhaust Gas Heat Recovery, or EGHR, technology, which uses exhaust heat to warm the engine and cabin. models are GM-estimated at 22 mpg (10.7 Earlier post.) An 80-cell, 1.5

2016 150

2016 Chevrolet Malibu Hybrid Hybrid 150

Green Car Congress

AUGUST 15, 2017

GM expects that number to top the segment in highway fuel economy, with greater highway mileage than the 2017 Toyota RAV4 hybrid (30 mpg) and Nissan Rogue hybrid (35 mpg FWD). A variable-vane turbocharger enables the engine to deliver more power with lower exhaust emissions and no decrease in overall fuel efficiency.

MPG 150

MPG Diesel EPA Exhaust 150

Green Car Congress

OCTOBER 28, 2009

Source: GM. million (subject to final negotiation with DOE) to support building a prototype thermomechanical waste heat recovery system using a Shape Memory Alloy (SMA) heat engine to generate electricity from the heat in automotive exhaust. GM was the only automaker to receive an ARPA-E award in the first round of funding.

Waste 186

Waste GM Engine Michigan 186

Green Car Congress

APRIL 21, 2015

Broadly, the test results show significant reductions in NO x , particularly against a non-hybrid diesel baseline, and fuel economy improvements of up to 18% for the vehicle and under the drive cycles tested. The hybrid vehicle under test was a 2010 GMC 3500/4500 Savana Cutaway with a GM 6.0

Hybrid 150

Hybrid Emissions Light Fuel 150

Green Car Congress

FEBRUARY 7, 2013

Final fuel economy ratings and power specs will be released closer to the on-sale date. —Jens Wartha, GM chief engineer. seconds—better than the Volkswagen Jetta TDI automatic and competitive with German diesel cars that dominate the US market, GM notes. GM anticipates going head-to-head with the Jetta TDI.).

Chevrolet 239

Chevrolet Diesel Clean Cleaning 239

Green Car Congress

FEBRUARY 21, 2011

turbocharged engine including the direct injection fuel system, continuous variable valve timing for both intake and exhaust valves and the turbocharger. GM has produced more than 5 million flex-fuel models over the last 15 years, and has a goal of offering more than 50% of its production in flex-fuel models by the end of 2012.

Buick 210

Buick Engine Fuel MPG 210

Green Car Congress

JULY 28, 2015

Duramax turbo-diesel, the Colorado’s maximum trailering capacity rises to 7,700 pounds (3,492 kg) on 2WD models, with estimated fuel economy projected by GM to top the already segment-leading efficiency of the gas models (27 mpg (8.7 With 369 lb-ft of torque (500 N·m) generated by the all-new 2.8L l/100 km) highway with 2.5L

Colorado 150

Colorado Chevrolet Diesel Exhaust 150

Green Car Congress

OCTOBER 29, 2014

Overall the engineering team increased efficiency and reduced weight; the drive unit is up to 12% more efficient in operation—although GM has yet to quantify publicly what that means in terms of range or fuel economy—and 100 lbs (45 kg) lighter. GM has reduced the number of clutches to two from three. Drive unit.

Volt 341

Volt GM Motor Motors 341

Green Car Congress

NOVEMBER 11, 2010

The non-hybrid 2011 Chevrolet Cruze Eco delivers an EPA-estimated 42 mpg on the highway (manual transmission models), with city fuel economy of 28 mpg. Cruze’s engineers focused on aerodynamic performance (with some improvements derivative of GM’s work with the Volt), mass optimization and powertrain enhancements. Aerodynamics.

MPG 247

MPG EPA Chevrolet Altima Hybrid 247

Green Car Congress

NOVEMBER 8, 2015

Several OEMs are working on combustion optimization and injection technologies that reduce particulate emissions in engines rather than through exhaust after-treatment. Ford and GM, will account for 11.5–13.5% Improved material selection and design will be crucial to decrease exhaust back pressure as well as costs.

Gasoline 150

Gasoline 2020 North America Exhaust 150

Green Car Congress

APRIL 9, 2010

Global powertrain supplier BorgWarner has acquired Dytech ENSA SL, a producer of exhaust gas recirculation (EGR) coolers, EGR tubes, and integrated EGR modules including valves for automotive and commercial vehicle applications, both on- and off-road. Euro-5 diesel. Manganello, Chairman and Chief Executive Officer, BorgWarner.

Companies 186

Companies Portugal Suzuki Exhaust 186

Green Car Congress

SEPTEMBER 20, 2012

It is rated at 259 hp (193 kW), making it one of the most power-dense automotive engines in the industry, GM notes. The Malibu turbo has an EPA-estimated fuel economy of 21 city (11.2 Rotocast aluminum cylinder head with sodium-filled exhaust valves. Rotocast aluminum cylinder head with sodium-filled exhaust valves.

2013 236

2013 Oil-Sands Chevrolet Sodium 236

Green Car Congress

AUGUST 27, 2016

According to Stan Ludlow, chief engineer for the 2017 Colorado, the engine and transmission were calibrated to emphasize performance and refinement while optimizing fuel economy. Chevrolet has not released fuel economy figure for MY 2017 yet. The most significant update for the 2017 Colorado is the 3.6L —Stan Ludlow.

Colorado 150

Colorado 2017 Chevrolet Fuel Economy 150

Green Car Congress

OCTOBER 16, 2012

The 170 hp engine has been developed with fuel economy, high low-end torque and elasticity in mind, while the performance of the 200 hp unit makes it the benchmark in its class. Achieving these goals enabled vehicle integration that can tune primary engine orders in the induction and exhaust systems to meet specific vehicle objectives.

Gasoline 350

Gasoline Engine Fuel Power 350

Clean Fleet Report

JANUARY 19, 2023

liter V8’s exhaust. In case there was any question, Chevrolet didn’t even hint at any fuel economy improvement although some reports said the standard Vette’s city mpg might get a 1 mpg boost (but the 24 mpg highway numbers might suffer because of the added weight of the new battery and motor.

Power 81

Power Powered Chevrolet MPG 81

Green Car Congress

OCTOBER 24, 2012

The Holy Grail for developing a performance car is delivering greater performance and more power with greater fuel economy and that’s what we’ve achieved. GM engineers are writing an SAE paper detailing the development process of the Gen5 engine combustion system. 1 compression ratio. LT1 direct injection system. Click to enlarge.

2014 362

2014 Oil Exhaust Engine 362

Green Car Congress

MAY 16, 2011

The reduced complexity of the design of the new integrated exhaust manifold cylinder head ( bottom ) compared to the old ( top ). GM has combined the exhaust manifold with the cylinder head into a single aluminum casting in the 2012 Camaro 3.6L direction injection V6, achieving both better fuel economy while reducing emissions.

Fuel Economy 305

Fuel Economy Exhaust Economy GM 305

Green Car Congress

JULY 30, 2015

GM Ventures made an equity investment in Tula in 2012. Comparison of DSF fuel economy gains and costs with competing technologies. In a 2013 SAE paper, the Tula engineers described two primary benefits from dynamic skip fire technology: Fuel economy improvement via removal of pumping losses and optimization of combustion.

2015 150

2015 Fuel Economy 2013 2014 150

Green Car Congress

SEPTEMBER 19, 2011

—which GM says is more efficient, refined and powerful than its 2.4L GM expects the 2.5L L/100km) (final fuel economy numbers are pending). GM expects the 2.5L L/100km) (final fuel economy numbers are pending). GM also expects the new engine to be one of the quietest and most refined engines in the segment.

Engine 328

Engine Power Powered Oil 328

Green Car Reports

APRIL 20, 2010

These days, the little air pumps more often make smaller engines perform like bigger ones to give fuel economy. In brief, a turbocharger uses exhaust gases to drive a turbine that pumps more air into the.

Engine 60

Engine Fuel Economy GM Exhaust 60