Green Car Congress

APRIL 14, 2011

Results of this study showed that the pre-chamber jet ignition combustion system roughly matches HCCI fuel economy across both NEDC and FTP drive cycles, with a 13% improvement in fuel economy recorded over the baseline stoichiometric (λ=1) spark ignition combustion system. The new study. liter) GM engine.

Fuel Economy 210

Fuel Economy Economy Engine Fuel 210

Green Car Congress

MARCH 2, 2011

This marks Toyota’s first downsizing of its HSD technology. This engineering solution targets the independent powering of the air-conditioning unit for improved full hybrid powertrain fuel economy. Introducing full hybrid technology into the B-segment presented Toyota with several unique engineering challenges.

Prius 231

Prius Downsizing Hybrid Toyota 231

Green Car Congress

MAY 9, 2012

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.

Fuel Economy 199

Fuel Economy Economy Fuel Eaton 199

Green Car Congress

JUNE 23, 2014

Ford’s approach to the project was to engineer a comprehensive suite of gasoline engine systems technologies, including: Aggressive engine downsizing in a mid-sized sedan from a large V-6 to a small I-4. Cycle-based CAE analysis of fuel economy contribution of critical technologies. Earlier post.). The approach. Source: Ford.

Fuel Economy 247

Fuel Economy Economy Ford Engine 247

Green Car Congress

DECEMBER 6, 2011

Highly efficient at low engine revolutions, electric superchargers make it possible to downsize engines. When coupled with an energy recovery system, electric superchargers can be used to create a cost-competitive hybrid solution that can deliver fuel savings of up to 20% in the standard European driving cycle, Valeo said.

Power 326

Power Powered Downsizing Electrical 326

Green Car Congress

MAY 1, 2009

A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The team presented a paper on their work at the recent SAE 2009 World Congress in Detroit. Cairns et al.

Alcohol Blend 186

Alcohol Blend Downsizing Engine Fuel 186

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. Their paper is published in the journal Fuel. —Wei et al. L and a compression ratio of 10:1.

Downsizing 186

Downsizing Engine Fuel Economy E6 186

Green Car Congress

APRIL 22, 2013

Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., 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.

Fuel Economy 218

Fuel Economy Economy Fuel Downsizing 218

Green Car Congress

JUNE 14, 2011

Based on the results of the study, CAR believes the economic risk to the auto industry connected to mandating permanent fuel economy standards in the long run is “ very serious ” The group recommends periodic review to assess the rate of technology development and cost reduction of advanced technologies leading up to 2025.

Fuel Economy 199

Fuel Economy Economy Auto Industry Standards 199

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. HCCI range extension with boosting. Source: Bosch. Click to enlarge.

Fuel Economy 218

Fuel Economy Gasoline Light Engine 218

Green Car Congress

DECEMBER 20, 2009

Ford views EcoBoost as a strategy as well as a product—one that will serve as a key element of Ford’s CO 2 and fuel economy product strategy—said Dan Kapp, Director, Ford Powertrain Research and Advanced Engineering, during a briefing on the company’s fuel economy strategies in Dearborn.

Fuel Economy 186

Fuel Economy Economy Ford Downsizing 186

Green Car Congress

MARCH 7, 2012

liter i-DTEC engine in the new Civic will deliver CO 2 emissions of 95 g/km, according to Honda Motor Europe’s President, Manabu Nishimae, in his presentation at the Geneva Motor Show. By downsizing from the outgoing 2.2L With these engines we aim to be Number 1 in fuel economy in each sector within 3 years.

Honda 299

Honda Emissions Diesel CO2 299

Green Car Congress

FEBRUARY 12, 2014

Much further testing and optimization remains to be done, Kirby noted. Background. Magnomatics was founded in 2006 by a group of engineers from the University of Sheffield (UK) to commercialize magnetic gearing and motor technology developed there.

Fuel Economy 270

Fuel Economy Hybrid Economy San Diego 270

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. Finally, partial hybridization using the 48V powertrain may be integrated to improve fuel economy.

Battery Powered 284

Battery Powered Fuel Economy Hybrid Power 284

Green Car Congress

APRIL 24, 2012

The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. There is no ISFC improvement at high load. The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). Net indicated efficiency of the Pinnacle Opposed-Piston engine, CR = 15:1, 87 Octane. Source: Pinnacle.

Light 304

Light Fuel Economy Engine Fuel 304

Green Car Congress

APRIL 10, 2014

The system, say the researchers, offers the potential to exploit most of the benefits of operating on premium high octane fuel while using less expensive regular grade more effectively. Applying optimal fuel octane throughout the LA-4 drive cycle would result in an overall potential 15.5% These results were intriguing. The OBS system.

Gasoline 316

Gasoline Engine Toyota Fuel Economy 316

Green Car Congress

MAY 14, 2009

Continuing to emphasize a downsizing approach, Volkswagen presented two new engines at the at the 30 th Vienna Engine Symposium (7-8 May): the 1.2-liter Both engines impressively show how Volkswagen reduces the CO 2 emissions and the fuel consumption and that to fungible costs. Click to enlarge. liter TDI diesel. Earlier post.).

Downsizing 150

Downsizing Engine MPG Exhaust 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. Volumetric fuel economy.

Engine 253

Engine Fuel Ford Future 253

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. The OSU EcoCAR PHEV powertrain.

Waste 312

Waste PHEV Fuel Exhaust 312

Green Car Congress

DECEMBER 11, 2009

Small displacement engines offer excellent CO 2 and fuel economy benefits; they have lower parasitic losses and operate more efficiently under part load conditions. Small engines can also be turbocharged to deliver comparable torque and power to a larger naturally aspirated engine. Low Carbon Vehicle Partnership Technology Challenge.

Downsizing 191

Downsizing Power Powered Exhaust 191

Green Car Congress

OCTOBER 11, 2013

The Automobile Division of the Institution of Mechanical Engineers has awarded its Prize for the Environment to Ricardo, Ford Motor Company, Controlled Power Technologies and Valeo engineers for their paper HyBoost—An Intelligently Electrified Optimized Downsized Gasoline Engine Concept. Earlier post.). Earlier post.)

Engine 210

Engine Downsizing Lead Acid Automobile 210

Green Car Congress

APRIL 14, 2010

The SuperTurbo’s supercharger function enhances the transient response of a downsized and turbocharged engine, and the turbo-compounding function offers the opportunity to extract the available exhaust energy from the turbine rather than opening a waste gate. Downsizing from a 3.2L improved fuel economy 17%, and downsizing from a 4.2L

Waste 218

Waste Engine Downsizing Hybrid 218

Green Car Congress

OCTOBER 2, 2014

The unit features a six-hole GDI injector, pressured to a higher-than-average 200 bar, securing a clean combustion and improving fuel economy and emissions to fulfill Euro 6c emission standards, three years ahead of their introduction in 2017.

Downsizing 239

Downsizing Hyundai Engine Hybrid 239

Green Car Congress

DECEMBER 31, 2021

Engines as one of the propulsion components in HEVs significantly affect vehicle fuel economy and emission performance. Advanced combustion regimes, cleaner fuels, efficient operating cycles, and waste energy recovery are four complementary technology pathways to high-performance hybrid-specific engines. —Wang et al.

Engine 199

Engine Hybrid Fuel Economy Alternative Fuels 199

Green Car Congress

SEPTEMBER 13, 2010

Reductions in fuel consumption and CO 2 from base 2.0-liter liter ELC-Hybrid to downsized 1.4L VTES + SpeedStart. In combination with the VTES electric supercharger, this will create a cost effective micro/mild hybrid system which, when applied to a downsized 1.4-liter Click to enlarge.

Hybrid 210

Hybrid VRLA Downsizing Fuel 210

Green Car Congress

DECEMBER 17, 2015

The engine should yield fuel efficiency gains of more than 50% compared to a downsized, turbo-charged gasoline direct injection engine, while reducing the overall cost of the powertrain system, said Fabien Redon, Vice President, Technology Development at Achates Power. Earlier post.) earlier post ). Earlier post.). Fabien Redon.

Downsizing 150

Downsizing Engine Fuel Gasoline 150

Green Car Congress

MAY 16, 2019

In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Delphi 500+ bar GDi pump. Delphi 500+ bar GDi injector. —Walter Piock.

Emissions 257

Emissions Gasoline Fuel Exhaust 257

Green Car Congress

APRIL 23, 2012

An increase in pumping requirements for any reason carries a fuel economy penalty. Scuderi explained that “Millerizing” the Scuderi split cycle means downsizing the compression cylinder to get the over-expansion technique that is the core of the Miller approach—achieved in a convention engine by using early or late valve closing.

Engine 294

Engine Design Congress Downsizing 294

Green Car Congress

OCTOBER 5, 2011

” Bunker spent the bulk of his presentation describing the new medium- and heavy-duty fuel economy and greenhouse gas regulations from EPA and the Department of Transportation. The future that we point to [is] very conventional-looking engines.” Earlier post.) In his talk during the opening plenary, Dr.

International 265

International Engine Future EPA 265

Green Car Congress

OCTOBER 25, 2012

In keeping with the trend to downsizing, Hyundai has been expanding the application of Turbo Gasoline Direct Injection (T-GDI) engines. A variety of technologies were adopted to maximize fuel economy and performance of the Kappa 1.0 The Kappa 1.0 101 lb-ft), and emits less CO 2 than its original gasoline model.

Hyundai 218

Hyundai Future Gasoline Exhaust 218

Green Car Congress

JUNE 24, 2016

At the 2016 International VDI Congress “Drivetrain for Vehicles” in Friedrichshafen, Germany, John Fuller, Director of Concepts & IP for Torotrak Group, presented and discussed the company’s latest advances to optimize its full-toroidal variator technology for the light vehicle market as applied in continuously variable transmissions (CVTs).

Low Cost 225

Low Cost Downsizing Congress Fuel Economy 225

Green Car Congress

MARCH 22, 2018

Major automotive suppliers see current national fuel economy standards as a boon for company job growth and industry investment and don’t want to see them altered by policymakers, according to the findings of an annual survey commissioned by CALSTART, an automotive technology industry group. strongly agreed.

Standards 210

Standards Fuel Economy Economy Volt 210

Green Car Congress

APRIL 22, 2009

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. improvement in fuel economy in operation over the Japanese 10-15 cycle. Engineers from Honda R&D Co., Kadota et al.

Honda 150

Honda Concept Engine Fuel Economy 150

Green Car Congress

AUGUST 4, 2015

This brings implementation of intelligent downsizing to more than 97% of vehicles sold by Volkswagen in the US, available across all the models on sale. 1 compression ratio, direct fuel injection, and turbocharging to produce 150 hp (112 kW) at 5000 rpm. Volkswagen is introducing the 1.4-liter TSI engine in the SE model.

Engine 150

Engine Range Fuel Economy Downsizing 150

Green Car Congress

MAY 12, 2017

Gasoline direct-injection (GDI) engines have higher fuel economy compared to the more widely used port fuel injection (PFI) engines. For our fleet, increases in the fuel economy of 1.6% (0.5−2.4%; increase in fuel economy between PFIs and GDIs. This is much lower than the measured 14.5%

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Fleet Engine Fuel Economy Global 207

Green Car Congress

AUGUST 10, 2009

This was reinforced during a subsequent presentation by Robert Czarnowski, of Borg Warner, on that company’s new control strategy for a dual loop EGR system to meet projected future emissions standards. We see dramatic downsizing and boosting [as] something that’s going to for gasoline engines especially. John Kirwan.

Gasoline 150

Gasoline Diesel Engine Emissions 150

Green Car Congress

APRIL 2, 2014

The V-Charge variable drive supercharger allows smaller engines to provide the drive feel of a larger unit, enabling downsizing without compromising driveability. Earlier post.). Earlier post.). —Torotrak chief executive Jeremy Deering.

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Manufacturer Downsizing Fuel Economy Fuel 225