Green Car Congress

FEBRUARY 4, 2013

During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. PSA concept D-EGR engine. Click to enlarge.

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Gasoline 2018 Engine Commercial 268

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.

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Engine Fuel GM Ford 150

Green Car Congress

APRIL 19, 2013

A study by a team from Ford Motor Company and AVL has concluded that a mid-level ethanol blend—greater than E20 but less than E40—appears to be attractive as a long-term future fuel for the US for use in engines optimized for the higher octane blend. Downsizing/downspeeding. Earlier post.) Earlier post.). Fuel efficiency.

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Engine Fuel Ford Future 253

Green Car Congress

OCTOBER 29, 2019

Dutch start-up ECONAMIQ is developing a novel engine technology which saves up to 20% in fuel consumption. The “ECONAMIQ principle” uses flexible over-expansion in combination with cylinder deactivation technology to increase performance and efficiency without significantly changing the engine layout or architecture.

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Fuel San Jose 2019 Engine 186

Green Car Congress

APRIL 20, 2010

compacts under 1,400 kg in weight—a stoichiometric 3-cylinder turbocharged gasoline direct injection (GDI) engine offers an optimal combination of cost, lower emissions and reductions in fuel consumption, according to an analysis by Delphi Powertrain presented at the recent SAE 2010 World Congress. Earlier post.). Source: Kirwan et al.

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Gasoline Downsizing Engine CO2 231

Green Car Congress

DECEMBER 17, 2015

The US Department of Energy, Office of Energy Efficiency and Renewable Energy’s (EERE) Bioenergy Technologies Office (BETO) and Vehicle Technologies Office (VTO) have released a request for information (RFI) ( DE-FOA-0001460 ) titled “Co-Optimization of Fuels and Engines” (Optima). Earlier post.)

Engine 150

Engine Fuel Fuel Economy Light 150

Green Car Congress

JUNE 22, 2013

VCR 4-cylinder engine (projected data) from a 2011 report by Envera. All three engine BSFC curves correspond to an engine speed of 2000 rpm.Click to enlarge. The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing.

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Engine Eaton Fuel Economy Downsizing 207

Green Car Congress

FEBRUARY 1, 2009

Pneumatic hybrid engine on the test bench. Researchers at ETH Zürich are developing a pneumatic hybrid engine—an internal combustion engine connected to a compressed air tank instead of a battery system. If fuel is also injected, the engine responds quickly. The compressed air supply also allows extreme downsizing.

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Hybrid Engine Downsizing 2009 199

Green Car Congress

MAY 7, 2009

Rendering of the Ilmor 5-stroke concept engine. Ilmor Engineering will present a new cutaway version of the Ilmor 5-stroke concept engine at the upcoming Engine EXPO 2009, 16-18 June, in Stuttgart, Germany. The 5-stroke concept engine is a self-funded proof of concept. Tags: Concept Engines.

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Concept Engine Engine Concept Exhaust 150

Green Car Congress

FEBRUARY 18, 2014

The unit can be applied to naturally-aspirated or forced induction engines—though most likely will be applied to downsized turbocharged engines as an additional unit to the existing turbocharger. Rick Quinn, senior manager for advanced engineering. —Nick Pascoe.

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Congress Hybrid Exhaust Gas-Electric 236

Green Car Congress

FEBRUARY 5, 2020

CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. Manufacturers continue to optimize diesel emission controls, such as DOC, DPF and SCR, in order to promote uniform catalyst coating, improve NO x conversion efficiency, reduce back pressure on the engine, and reduce thermal mass.

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Emissions Diesel Engine 2010 291

Green Car Congress

JUNE 11, 2019

The report presents dynamometer test results and emission models from fully aged aftertreatment systems installed on heavy-duty on-road engines to offer several compliance paths that are achievable by model year 2024 without significant changes to today’s engines or aftertreatment systems. g/bhp-hr.

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Standards Diesel 2019 Emissions 191

Green Car Congress

APRIL 6, 2017

Improving battery power to such as level would further enable hybridization to near-HEV levels as well as engine downsizing, thereby enabling fuel economy improvements beyond the current 10-15% MHEV limit. To address these needs, the A123 team presented a high-power, lithium-iron-phosphate chemistry with excellent rate capabilities.

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Battery Powered Fuel Economy Power Powered 284

Green Car Congress

OCTOBER 16, 2013

GDI is a strategy to improve fuel efficiency that is rapidly gaining market acceptance, as illustrated by the popularity of Ford’s GDI EcoBoost engines. Homogeneous GDI provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Credit: ACS, Maricq et al. Earlier post.)

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Standards Emissions Miles Engine 246

Green Car Congress

APRIL 22, 2009

Engineers from Honda R&D Co., presented a pair of papers at the SAE 2009 World Congress describing the development of a variable compression ratio (VCR) engine enabled by a dual piston mechanism. liter, 4-cylinder engine, the dual piston mechanism was able to adjust the engine from a CR of 9.6 and back again.

Honda 150

Honda Concept Engine Downsizing 150

Green Car Congress

MAY 1, 2012

Delphi Automotive has developed a common rail fuel system technology for heavy-duty diesel engines that combines proven hardware with an innovative architecture, allowing vehicle manufacturers to meet Euro VI emissions standards without significant modification to their base engines. New high pressure heavy duty common rail systems.

Engine 199

Engine Light Diesel 2000 199

Green Car Congress

MARCH 27, 2015

Testing was also conducted at the DTNA Detroit engineering facility to demonstrate engine efficiency by achieving 50.2% engine brake thermal efficiency. The Freightliner SuperTruck uses a downsized and downsped 10.7-liter The 390 hp/1400 lb-ft torque (291 kW/1,898 N·m) engine features a revamped combustion system.

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2009 Engine Detroit Oregon 150

Green Car Congress

SEPTEMBER 13, 2010

liter ELC-Hybrid to downsized 1.4L VTES + SpeedStart. The paper was jointly authored by CPT engineering director and chief technical officer Guy Morris with Mark Criddle, Mike Dowsett and Toby Heason from CPT and Dr. Paul Kapus and Matthias Neubauer from AVL. TGDI engine and close to the 146 g/km of the current Passat 2.0L

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VRLA Hybrid Downsizing Fuel 210

Green Car Congress

APRIL 22, 2013

downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. In comparison, naturally aspirated engines have a higher compression ratio in the order of 1 to 1.5

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Fuel Economy Economy Fuel Downsizing 218

Green Car Congress

APRIL 6, 2012

The alcohols also have a greater latent heat of vaporization than gasoline, which contributes to their higher RON values and provides additional charge cooling in direct-injection (DI) engines. Keeping the blendstock RON at 88 (which provides E10 with ?92.5 RON), they estimated RON would be increased to 94.3 for E15 to as much as 98.6

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Gasoline Ford Downsizing Engine 297

Green Car Congress

OCTOBER 10, 2012

Their paper was presented at the ASME Internal Combustion Engine Division 2012 Fall Technical Conference by Marcello Canova, assistant professor at OSU; lead author was Philipp Skarke, from the University of Stuttgart Institute for Internal Combustion Engines and Automotive Engineering. —Skarke et al.

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Waste PHEV Fuel Exhaust 312

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. John Kirwan.

Gasoline 150

Gasoline Diesel Engine Emissions 150

Green Car Congress

APRIL 24, 2010

In recent years two methods, namely downsizing and downspeeding, were established on the market to reduce CO 2 emissions while maintaining the driving performance of engines with identical effective power but a larger displacement. Active-WG control is used for improvements at all engine speeds (< 5500 rpm).

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Engine Hybrid Fuel Exhaust 170

Green Car Congress

JANUARY 2, 2018

Researchers at Tianjin University in China report that combing split injection to the Miller cycle with boost pressure can effectively decrease the knock tendency and increase the engine torque in a downsized spark-ignition engine. The researchers used a Ricardo E6 4-stroke SI engine in the study, with a swept volume of 0.5

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Downsizing Engine Fuel Economy E6 186

Green Car Congress

MAY 18, 2015

In catalyzed EGR, a catalyst alters the chemical composition of the exhaust gas mix before its reintroduction to the engine. An open access paper on the study (an update of an earlier version published late last year) appears in the International Journal of Engine Research. —Parsons et al.

Fuel 150

Fuel Exhaust Gas Engine 150

Green Car Congress

MARCH 19, 2013

This first report (Phase I) examines only the impact of improving the efficiency of fossil-fueled vehicles, in which efficiency gains are delivered by the improvement of the internal combustion engine vehicle, including lightweighting, engine downsizing and hybridization. —“An Economic Assessment of Low Carbon Vehicles”.

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Cost Of 2020 Fuel CO2 261

Green Car Congress

MAY 9, 2012

The team presented its work at the SAE 2012 World Congress. Engine downsizing and downspeeding are two strategies that can be applied to gasoline and diesel engines to improve vehicle fuel economy. inline four-cylinder engine with a development-level Tier 2 Bin 5 calibration.

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Fuel Economy Economy Fuel Eaton 199

Green Car Congress

SEPTEMBER 15, 2016

When presented with a list of technologies analyzed within a National Academies of Science report ( earlier post ) that might be used to meet fuel-efficiency standards, suppliers picked turbocharging and engine downsizing, along with higher-speed automatic transmissions, as the most critical. Ricardo survey.

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Fuel Economy Auto Economy Standards 150

Green Car Congress

DECEMBER 31, 2021

A team from McMaster University in Canada has published a comprehensive review of recent progress in low-temperature combustion (LTC), alternative fuels (AF), over-expansion Atkinson cycle, and waste heat recovery (WHR) techniques as applied to hybrid-specific engines. Modern Atkinson engines are mostly realized by VVT technology.

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Engine Hybrid Fuel Economy Alternative Fuels 199

Green Car Congress

JANUARY 17, 2011

It is a high octane fuel with combustion characteristics that allow engines specifically designed for methanol fuel to match the best efficiencies of diesels while meeting current pollutant emission regulations. Medium duty applications in a dedicated alcohol (methanol and ethanol) engine, using high level blends of alcohols.

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Transportation Fuel Coal Gasoline 257

Green Car Congress

NOVEMBER 23, 2015

Steels hardened in this way are suited for use in components subjected to high mechanical and thermal loads in downsized, energy-efficient and low-emission engines of the future. The KIT researchers, along with their colleagues at Bosch, presented the process in a recent paper published in HTM - Journal of Heat Treatment and Materials.

Downsizing 150

Downsizing Kits Engine Carbon 150

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. Conceptual image of a possible multi-cylinder OPGCI engine. It could also be the first of a family of OPGCI engines spanning 1.0

Downsizing 150

Downsizing Engine Fuel Gasoline 150

Green Car Congress

APRIL 26, 2009

With knock suppressed, the compression ratio (CR) can be increased; in a turbocharged or supercharged engine, even higher boost pressure can be used. The resulting higher BMEP levels allow downsizing of the engine at equivalent vehicle performance. PFI engine in a Ford F-150 pickup truck. Earlier post.)

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Diesel Ford F-150 Gasoline 170

Green Car Congress

JULY 22, 2015

Quicksilver Resources and American Eagle Energy are two of the six U.S. If the present trend persists, companies will have no choice but to cut their workforces even further to remain competitive and reduce their rising overheads. He is author of “Oil—Past, present, future—An Indian Perspective”. Sabine Oil and Gas Corp.

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Oil Prices Oil Price 2015 150

Green Car Congress

AUGUST 4, 2009

The central part of the method is a new fuel system including high-temperature fuel injectors and a common rail to deliver SC fuel-diluent mixtures for combustion over ranges of conditions which will significantly improve engine efficiency, reduce PM and NO x and mitigate the environmental thermal impact. Transonic’s TSCi technology.

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Diesel Fuel Emissions 2009 225

Green Car Congress

OCTOBER 4, 2009

During his presentation at the recent California Air Resources Board (ARB) ZEV Technology Symposium, Tatsuaki Yokoyama, from Toyota Motor Engineering & Manufacturing North America, said that Toyota aimed to reduce the cost of fuel cell vehicles to 1/10 of the current level by design and materials improvement by commercialization in 2015.

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2015 Toyota Commercial Fuel 315

Green Car Congress

APRIL 10, 2014

ExxonMobil, Corning and Toyota have collaborated to develop an Onboard Separation System (OBS) to optimize gasoline engine efficiency and performance. In a paper on the OBS presented at the SAE 2014 World Congress, the researchers suggested that potential applications include downsizing to increase fuel economy by ?10%

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Gasoline Engine Toyota Fuel Economy 316