Green Car Congress

JANUARY 28, 2016

The automotive catalytic converter, developed in the early 1970s primarily by General Motors and BASF/Engelhard and first deployed in 1975, changes exhaust pollutants into CO 2 , water vapor and nitrogen. Today, a typical original equipment automotive catalytic converter in a gasoline engine contains about $100 in precious metal.

GM 150

GM Supplies Companies South Africa 150

Green Car Congress

APRIL 21, 2015

The LH gasoline hydraulic hybrid shows an extreme reduction in NO x compared to a diesel baseline. 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. Source: Lightning Hybrids.

Hybrid 150

Hybrid Emissions Fuel Light 150

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

FEBRUARY 21, 2011

turbocharged engine including the direct injection fuel system, continuous variable valve timing for both intake and exhaust valves and the turbocharger. The 2011 Buick Regal Turbo will feature the first flex-fuel capable direct-injected turbocharged engine in a production car. Click to enlarge. Click to enlarge.

Buick 210

Buick Engine Fuel MPG 210

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

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

MARCH 26, 2010

Their work may help to lower the cost of NO x treatments and thus ultimately make diesel a more cost-effective automotive fuel. Because NO 2 constitutes less than 10% of NO x in the diesel engine-out exhaust, an oxidation catalyst is required to increase the NO 2 fraction. Similarly, a La 0.9 Resources.

Exhaust 199

Exhaust Diesel GM Conversion 199

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 10, 2009

Cackette was in effect suggesting that the future tailpipe emissions baseline (LEV III) for light duty passenger vehicles—both diesel and gasoline—was likely to be or to approximate CA SULEV/US Tier 2 Bin 2. These are likely to drive further increases in cost, and potentially further reductions in fuel efficiency. Paul Whitaker.

Gasoline 150

Gasoline Diesel Engine Emissions 150

Green Car Congress

SEPTEMBER 18, 2015

The US Department of Energy (DOE) is awarding nearly $55 million for 24 projects to develop and deploy advanced vehicle technologies, supporting the Energy Department’s EV Everywhere Grand Challenge to make plug-in electric vehicles as affordable to own and operate as today’s gasoline-powered vehicles by 2022. Area of Interest 3).

Fuel 150

Fuel Carbon Fiber Lithium Ion Vehicles 150

Green Car Congress

AUGUST 14, 2009

a high air-to-fuel ratio) SIDI (e.g., 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.

GM 150

GM Concept Engine Emissions 150

Green Car Congress

APRIL 1, 2015

The Malibu Hybrid will offer an estimated combined fuel economy rating exceeding 45 mpg (5.22 The 2016 Malibu is also longer and lighter, with more interior space and improved fuel efficiency. EGHR improves engine warm up and ensures consistent fuel economy performance in cold weather. models are GM-estimated at 22 mpg (10.7

2016 150

2016 Chevrolet Malibu Hybrid Hybrid 150

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 gasoline engine and automatic transmission). Common rail direct injection fuel system.

Colorado 150

Colorado Chevrolet Diesel Exhaust 150

Green Car Congress

SEPTEMBER 20, 2012

A new, gasoline direct-injected (GDI) Ecotec 2.0L 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. New Ecotec 2.0L

2013 236

2013 Oil-Sands Chevrolet Sodium 236

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

OCTOBER 24, 2012

It will also deliver the most fuel-efficient Corvette ever, exceeding an EPA-estimated 26 mpg US (9.0 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. L/100 km) on the highway. 1 compression ratio. LT1 valvetrain and AFM.

2014 362

2014 Oil Exhaust Engine 362

Green Car Congress

FEBRUARY 20, 2013

Researchers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) Institute of Vehicle Concepts in Stuttgart have developed a demonstrator multi-fuel free-piston linear generator (FPLG, or Freikolbenlineargenerator, FKLG in German) as a range extender for electric vehicles. Intake, exhaust and fuel injection.

Universal 285

Universal Range Motoring Motors 285

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. Euro-5 diesel. Click to enlarge. Terms were not disclosed.

Companies 186

Companies Portugal Suzuki Exhaust 186

Green Car Congress

NOVEMBER 23, 2009

GM Europe is launching the Chevrolet Spark ( earlier post ), providing more detail on the all-new mini car prior to its going on sale in Europe in the first quarter of 2010. Two gasoline engines are on offer at launch with displacements of 1.0 They feature multi-port fuel injection and are both Euro V emissions compliant.

2010 210

2010 Engine Sale MPH 210

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 Congress

MAY 28, 2009

GM approaches to extending the operating range of classic HCCI. General Motors last week again highlighted the progress it is making with advanced HCCI (homogeneous charge compression ignition) gasoline engines by showcasing a demonstrator unit. Operating an engine with high air-fuel ratios (i.e., Adapted from Yun et al.

Range 150

Range GM 2009 Engine 150

Green Car Congress

MARCH 5, 2018

Researchers at Oak Ridge National Laboratory have used on-board catalytic fuel reforming to increase the brake efficiency of a multicylinder, stoichiometric spark-ignited (SI) engine by increasing EGR dilution tolerance. Typically, you incur a fuel penalty when reforming fuel. —Jim Szybist, ORNL. Earlier post.]

Engine 274

Engine Gasoline Fuel Exhaust 274

Clean Fleet Report

MAY 13, 2021

Battery-gasoline hybrids go back more than 20 years to the first Toyota Prius, but real mainstream battery-only electric EVs are only in their second decade. Without being exhaustive, let’s take a look at some examples. It supplements, not replaces, the traditional fossil-fuel car. I’m looking primarily at the U.S.

Market 69

Market Motorcycles Saturn Prius 69

Green Car Congress

APRIL 20, 2011

Chevrolet has introduced the 2013 Malibu ECO, its most fuel-efficient midsize sedan yet. The Malibu ECO features GM’s eAssist light electrification technology ( earlier post ), which is engineered to deliver an estimated 26 mpg in city driving and 38 mpg on the highway. Chevrolet Malibu ECO PowerFlow screen. Click to enlarge.

Chevrolet 286

Chevrolet 2013 Lithium Ion Fuel Economy 286

Green Car Congress

MARCH 5, 2012

Bi-fuel Chevrolet Silverado. General Motors is introducing compressed natural gas (CNG) bi-fuel versions of the 2013 Chevrolet Silverado and GMC Sierra 2500 HD extended cab pickup trucks. V8 engine that seamlessly transitions between CNG and gasoline fuel systems. Bosch supplies the fuel injection system.

Sierra 291

Sierra Silverado GMC Chevrolet 291

Green Car Congress

MARCH 7, 2009

GM has produced more than 5 million flex-fuel vehicles capable of handling ethanol blends of up to 85% (E85), but still has remaining questions over the impact of mid-range blends on durability and catalyst lifetime in non-E85 gasoline vehicles, for example. We can design products to run on higher levels of ethanol.

EPA 150

EPA Energy 2008 GM 150

Clean Fleet Report

MARCH 15, 2024

liter 4-cylinder engine that puts out 235 horsepower and 258 pound-feet of torque (on premium gasoline), driving either the front or all-four wheels through a nine-speed automatic transmission with paddle shifters. The fuel economy, which is best in Touring mode, is rated by the EPA at 24 mpg city/29 highway/26 combined mpg.

Cadillac 54

Cadillac Escalade SUV MPG 54

Green Car Congress

APRIL 9, 2021

The ORNL team conducted engine experiments with both 91 RON E10 gasoline and liquified petroleum gas (LPG). 1) with cooled exhaust gas recirculation (EGR) and high compression ratio (13.3:1 1 for both fuels, with additional runs at 16.8:1 higher H/C ratio) than gasoline. The unique high stroke-to-bore engine design (1.5:1)

Diesel 468

Diesel Engine Gasoline Fuel 468

Clean Fleet Report

NOVEMBER 6, 2021

But the XT5 acquits itself well in all of the key categories, which explains its solid sales pace for the GM luxury division. The fuel economy, which is best in Tour, was aided by cylinder deactivation, where the 3.6L The rear features vertical LED tail lights, twin chrome-tipped exhaust ports and the hands-free power lift gate.

Cadillac 74

Cadillac Land Rover MPG Fuel Economy 74

Green Car Congress

MAY 3, 2011

Although Homogeneous Charge Compression Ignition (HCCI) combustion offers significant efficiency improvements compared to conventional spark ignition gasoline engines, traditional HCCI combustion can be realized only in a limited operating range. GM has been steadily working on extending the operating range of HCCI. Earlier post.).

GM 218

GM Exhaust Engine Gasoline 218

Green Car Congress

APRIL 13, 2009

The newly introduced GMC Terrain ( earlier post ) became the latest GM North American model that will feature a fuel-efficient gasoline direct injection (DI) engine in 2010. For MY 2009, GM is offering 6 engine variants with direct injection in 10 models in North America, 18 worldwide. A higher compression ratio (11.4:1

Gasoline 170

Gasoline Engine Oil-Sands Saturn 170

Green Car Congress

DECEMBER 17, 2015

Achates Power will work with Delphi Automotive and Argonne National Laboratory on its ARPA-E-funded project to develop an innovative opposed-piston, gasoline compression ignition (OPGCI) engine. liter opposed-piston, gasoline compression ignition engine applicable to large passenger vehicles, pick-up trucks, SUVs and minivans.

Downsizing 150

Downsizing Engine Fuel Gasoline 150

Green Car Congress

FEBRUARY 10, 2014

Operating range of 2-stroke CAI fueled with gasoline, E10 and E85. homogeneous charge compression ignition, HCCI) combustion processes offer the promise of simultaneously reducing fuel consumption and NO x emissions. GM’s ongoing work, earlier post ). Zhang et al. 2013a) Click to enlarge.

Gasoline 186

Gasoline Engine Exhaust Fuel 186

Green Car Congress

NOVEMBER 4, 2011

The A dvanced C ombustion C oncepts— E nabling S ystems and S olutions (ACCESS) is developing advanced combustion control concepts along with with an enabling system, subsystem and component level solutions for the management of multi-mode/multi-fuel combustion events. turbocharged direct injected inline 4 (based on the GM Ecotec 2.0L

Fuel Economy 218

Fuel Economy Gasoline Light Engine 218

Green Car Congress

MARCH 19, 2014

GM is introducing a new generation of Ecotec small-displacement engines (1.0 The new engine family, including naturally aspirated and turbocharged variants, will make its way into five GM brands and 27 models by the 2017 model year, said Steve Kiefer, GM vice president, Global Powertrain Engineering. New Ecotec 1.0L I-4 engines.

Engine 261

Engine GM Oil-Sands Oil 261

Green Car Congress

JULY 14, 2014

View of the CNG tank in the bed of a Silverado 2500HD with bi-fuel option. In the case of the 2500HD bi-fuel, the two main trade-offs are a reduction in power and torque in CNG mode compared to gasoline mode, and the loss of a portion of the bed of the truck to the 3,600 psi CNG tank and its box-like enclosure. CNG vs gasoline.

Silverado 247

Silverado Chevrolet Fuel Gasoline-Electric 247

Green Car Congress

MARCH 12, 2010

Ford’s all-new 2011 Ford F-Series Super Duty trucks are equipped with new diesel and gasoline engine powertrains that deliver improvements in torque, horsepower and fuel economy. liter V-8 gas engine average a 15% improvement in fuel economy versus 2010 models. Trucks equipped with the new base 6.2-liter Click to enlarge.

Fuel Economy 220

Fuel Economy Economy Diesel Gasoline 220