Green Car Congress

AUGUST 25, 2015

A team of engineers from GM Powertrain, Ford and FCA have published a detailed review of how to estimate the engine efficiency benefits of higher octane fuel—e.g., fuel with higher ethanol content—for part- and full-load operation for different engine types and fuel assumptions. —Leone et al.

Engine 150

Engine Fuel GM Ford 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

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Cadillac 2013 Engine GM 239

Green Car Congress

DECEMBER 16, 2011

turbo I-4 engine that powers the 2012 Buick Regal GS is one of WardsAuto World’s 2012 “10 Best Engines” for North America. 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).

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Engine Sodium North America Buick 210

Green Car Congress

MARCH 17, 2014

The 2015 Chevrolet Colorado uses engineering techniques and lightweight materials to create fuel-efficient pickup capability in a mass-efficient mid-size package. The 2015 Colorado 4x4 crew cab, which GM expects to be the most popular version of the new trucks, weighs 880 to 1,400 lbs (363 to 635 kg) less than a full-size truck.

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Colorado 2015 GM Silverado 262

Green Car Congress

JUNE 17, 2015

GM will premiere the new 1.4 The new all-aluminum engine is the bigger brother of the recently introduced 1.0-liter, The new all-aluminum engine is the bigger brother of the recently introduced 1.0-liter, The engineers once again paid close attention to low noise levels and vibration behavior during the development of the 1.4-liter

GM 150

GM Oil Gasoline Engine 150

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

SEPTEMBER 24, 2016

liter diesel engine to be offered in the US in the 2018 Equinox ( earlier post ) is similar to Opel’s 1.6L CDTi Whisper Diesel ( earlier post ) in Europe, and is derived from a common Italian-German-American medium diesel engine design, according to GM. The engine has a bore x stroke of 79.7 Earlier post.).

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Diesel 2018 Exhaust Chevrolet 150

Green Car Congress

APRIL 1, 2013

EcoTec3 V-8 engine ( earlier post ) equipped with direct injection, cylinder deactivation (AFM) and variable valve timing to achieve EPA estimates of 16 mpg city (14.7 Source: GM, Ford, Model Year 2013 EPA Fuel Economy Guide. V-8 engine, which is an $895 option, according to GM. The new engine family includes a 4.3L

Sierra 262

Sierra Fuel Economy Economy F-150 262

Green Car Congress

JANUARY 14, 2013

GM staged the debut of the all-new, 7 th generation Chevrolet Corvette Stingray on the eve of the Detroit Auto Show. engine, matching the 7.0L LS7 engine from the 2013 Corvette Z06 from 1,000 to 4,000 rpm. An available dual-mode active exhaust system offers a 27% improvement in airflow. 2014 Corvette Stingray.

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2014 Carbon Fiber GM Fuel 257

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 GM has been working closely with Tula Technology; in 2012, GM Ventures made an equity investment in Tula.

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Fuel Economy Economy GM GMC 150

Green Car Congress

SEPTEMBER 19, 2011

four-cylinder engine that will be the standard engine in the 2013 Malibu. —which GM says is more efficient, refined and powerful than its 2.4L predecessor—will be available next summer, marking the debut of the all-new Ecotec engine family. GM expects the 2.5L Engineers also tuned the 2.5L

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Engine Power Powered Oil 328

Green Car Congress

MAY 18, 2010

GM will offer Compressed Natural Gas (CNG) and Liquefied Petroleum Gas (LPG) powered versions of the Chevrolet Express and GMC Savana full-size vans to fleet and commercial customers beginning later this year. Brian Small, general manager of GM’s fleet and commercial operations. GM’s proven Vortec 6.0L

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GMC Fleet GM Exhaust 199

Green Car Congress

OCTOBER 28, 2009

Concept diagram of an SMA heat engine for power generation from waste engine heat. 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.

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Waste GM Engine Michigan 186

The Truth About Cars

MARCH 29, 2024

We spent our last installment reviewing the special and sometimes troublesome engineering that was standard on the Brougham. Since then, I discovered this April 1957 edition of The Cadillac Serviceman , GM’s in-house magazine publication for its dealer service centers. But designers weren’t nearly finished adding trim in 1958!

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Cadillac Parts Buick GM 96

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 Engines for the 2011 Cruze. turbo and 1.8L

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Chevrolet GM MPG Auto 210

Green Car Congress

OCTOBER 29, 2014

The second-generation Volt, which makes its world debut in about 10 weeks at the North American International Auto Show in Detroit, features a clean-sheet, all-new Voltec propulsion system—new battery, new electric drive unit, new power electronics and new range-extending engine. The new direct-injected 1.5 Click to enlarge.

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Volt GM Motor Motors 341

Green Car Congress

FEBRUARY 7, 2013

2014 Cruze Clean Turbo Diesel engine. turbo-diesel engine is based on a proven 2.0L architecture already used in European models, where approximately 40% of all Cruze models sold feature a diesel engine. The engine is manufactured in Kaiserslautern in Germany. —Jens Wartha, GM chief engineer.

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Chevrolet Diesel Clean Cleaning 239

Green Car Congress

SEPTEMBER 20, 2012

turbocharged engine is available in the 2013 Chevrolet Malibu. It is rated at 259 hp (193 kW), making it one of the most power-dense automotive engines in the industry, GM notes. A twin-scroll turbocharger generates up to 20 pounds of boost, helping the engine optimize power delivery across the rpm band.

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2013 Oil-Sands Chevrolet Sodium 236

Green Car Congress

OCTOBER 5, 2011

When the new Chevrolet Colorado midsize pickup rolls out in the Asia-Pacific region this fall, it will introduce a new global family of Duramax turbo-diesel engines, available in 2.8L Cooled exhaust gas recirculation for enhanced performance and lower emissions. Engine production started in September in Thailand. displacements.

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Diesel Thailand Colorado Power 199

Green Car Congress

OCTOBER 24, 2012

The new Corvette LT1 engine, the first of the Gen 5 family of Small Block engines, combines several advanced technologies, including direct injection, Active Fuel Management and continuously variable valve timing to support a new advanced combustion system with an 11.5:1 —Tadge Juechter, Corvette chief engineer.

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2014 Oil Exhaust Engine 362

Green Car Congress

FEBRUARY 8, 2013

BorgWarner opened a new 86,000-square-foot (8,000-square-meter) facility in Manesar, India, near New Delhi to produce exhaust gas recirculation (EGR) coolers, tubes, valves and modules. Today’s downsized engines generate higher temperatures in the combustion chamber forming nitrogen oxide (NO x ).

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India Emissions Exhaust Suzuki 186

Green Car Congress

APRIL 1, 2015

The completely restyled midsize sedan is engineered to offer more efficiency, connectivity and advanced safety features, and features the option of a new full-hybrid powertrain, which leverages technology from the Chevrolet Volt. turbo engine option, Malibu is projected to offer 37 mpg (6.35 Other engine options. Earlier post.)

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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). —Scott Yackley, assistant chief engineer.

Colorado 150

Colorado Chevrolet Diesel Exhaust 150

Green Car Congress

APRIL 19, 2011

four-cylinder engine and next-generation six-speed automatic to lead Malibu’s powertrain lineup, along with segment-best aerodynamics that are close to those of the Chevrolet Volt. Because of Malibu’s new shape and design, engineers were able to remove 60 counts of wind drag compared to the model it replaces. powertrain.

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2013 Engine China Chevrolet 186

Green Car Congress

NOVEMBER 8, 2015

However, unlike conventional gasoline engines, gasoline direct injection engines produce particulate matter, as do diesels, and emission controls will become an issue the technology must address as standards for particle mass tighten, and also as standards for particle numbers emerge. Ford and GM, will account for 11.5–13.5%

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Gasoline 2020 North America Exhaust 150

Green Car Congress

SEPTEMBER 18, 2015

Eight projects are aimed at improvements including developing and demonstrating dual-fuel or dedicated natural gas engine technologies for high-efficiency medium and heavy-duty vehicles to reduce petroleum usage and developing advanced computational fluid dynamics models to accelerate the development of advanced engine technologies.

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Fuel Carbon Fiber Lithium Ion Vehicles 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 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

The Truth About Cars

AUGUST 25, 2023

We discussed the engineering underneath 1953’s trio of high-end halo convertibles from Buick, Oldsmobile, and Cadillac last week. The ‘53 Eldorado had a wheelbase and overall length identical to the Series 62 upon which it was based, so its designers didn’t simply add some inches and call it a new design.

Cadillac 93

Cadillac Parts Convert Design 93

Green Car Congress

APRIL 18, 2016

A major component of SAIC-GM’s Drive to Green strategy, the LaCrosse HEV adopts the same design language and technological advances as the recently introduced all-new LaCrosse. —Larry Nitz, GM executive director of Global Propulsion Systems. SIDI engine that is paired with an electric variable transmission and a 1.5-kWh

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Malibu Hybrid Buick Hybrid Global 150

Green Car Congress

JULY 5, 2017

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%. The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges.

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Fuel Economy Chrysler Diesel Emissions 170

Green Car Congress

APRIL 21, 2015

By design, LH noted, a hybrid drive system provides benefits during a vehicle’s braking and subsequent acceleration phases, so not all drive cycles will take equal advantage of the system. The hybrid vehicle under test was a 2010 GMC 3500/4500 Savana Cutaway with a GM 6.0 Source: Lightning Hybrids.

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Hybrid Emissions Light Fuel 150

Green Car Congress

JUNE 24, 2015

The company also announced it will partner with Borla jointly to develop and to commercialize a next-generation-exhaust system incorporating PowerModules, with the goal of delivering significant fuel savings for commercial fleet truck fleets. —saving 52,500 liters of diesel fuel per year, per engine. 2014.11.002.

Waste 150

Waste Energy Exhaust 2014 150

Green Car Congress

JULY 30, 2015

The software-enabled powertrain technology integrates advanced digital signal processing with advanced powertrain controls to create a variable displacement engine. DSF allows the engine’s cylinders to fire or skip (deactivate) on a continuously variable basis. GM Ventures made an equity investment in Tula in 2012. Resources.

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2015 Fuel Economy 2013 2014 150

Green Car Congress

APRIL 16, 2014

GM expects the emerging small SUV market to grow more than 80% by 2016, said Alan Batey, General Motors senior vice president, Global Chevrolet. turbocharged four-cylinder engine coupled with a Hydra-Matic 6T40 six-speed automatic transmission with TAPShift control. Trax is powered by an Ecotec 1.4L

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Chevrolet SUV Vehicles Engine 170

Green Car Congress

FEBRUARY 15, 2010

GM is introducing a new Duramax 6.6-liter The new engine offers significantly more torque and higher horsepower ratings (yet to be released), along with improved fuel efficiency, B20 biodiesel capability, and an SCR aftertreatment system that reduces NO x emissions reduced by at least 63%, compared to the 2010 model. 2011 Duramax 6.6L

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Silverado Emissions Fuel Power 186

Green Car Congress

AUGUST 10, 2009

Additionally, suggested one of the speakers, advanced SIDI (spark-ignited, direct-injection) engines can take light-duty market share back from diesels in Europe based on the same trends. Bin 5 engine out is what we’ll need, and then to get it down to Bin 2. SULEV/Tier 2 Bin 2 is the target. smog and particulates. Robert Czarnowski.

Gasoline 150

Gasoline Diesel Engine Emissions 150

Green Car Congress

DECEMBER 12, 2011

engine; GM estimates highway fuel economy of 37 mpg US (6.4 four-cylinder engine, in place of the alternator, to provide both motor assist and electric-generating functions through a revised engine belt-drive system. direct-injection four-cylinder engine and next-generation six-speed automatic transmission.

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Chevrolet MPG 2012 Sale 225