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. Their open-access paper is published in the journal Energy Reports.

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Engine Hybrid Fuel Economy Alternative Fuels 199

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.

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Fuel Economy Economy Fuel Eaton 199

Green Car Congress

FEBRUARY 22, 2018

Their study is publishedin the ACS journal Environmental Science & Technology. Testing was conducted over the LA92 and US06 Supplemental Federal Test Procedure (US06) driving cycles on typical California E10 fuel. In the study, the team used two MY 2016 passenger cars. Yang et al. Click to enlarge. —Yang et al.

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Gasoline Emissions Engine Fuel Economy 253

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. For example, with E85, the calorific value was 32% lower than the 98 RON fuel while the fuel consumption was 33% higher.

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Alcohol Blend Downsizing Engine Fuel 186

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. The stoichiometric air-fuel ratio of ethanol is 9.0, Earlier post.)

Engine 253

Engine Fuel Ford Future 253

Green Car Congress

OCTOBER 31, 2016

A new white paper published by the International Council on Clean Transportation (ICCT), in collaboration with Eaton, Ricardo, JCI, BorgWarner, Honeywell, and the ITB Group, analyzes current turbocharged, downsized gasoline engine technology developments and trends. Source: ICCT. Click to enlarge.

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Downsizing EPA Engine Eaton 150

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.

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Battery Powered Fuel Economy Power Powered 284

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines. —Saliba et al.

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Fleet Engine Global Fuel Economy 207

Green Car Congress

OCTOBER 10, 2012

The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. This evolution has led to the point where achieving significant fuel savings through the introduction of new technologies has become difficult. Δ in fuel consumption. η BASIC.

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Waste PHEV Fuel Exhaust 312

Green Car Congress

SEPTEMBER 4, 2013

The project aims to deliver full hybrid equivalent fuel economy and performance with less than 70 g/km CO 2 emissions as measured over the European Drive Cycle, but at a significantly lower cost. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.

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Fuel Economy Diesel Economy Gasoline 239

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.) Chris Atkinson.

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Downsizing Engine Fuel Gasoline 150

Green Car Congress

JULY 26, 2012

The 2012 APEAL Study finds that 27% of new-vehicle buyers who replaced a vehicle downsized—i.e., The downsizing trend also has an impact on owner satisfaction with the fuel economy of their new vehicle. During the past six years, vehicle appeal, as measured by the APEAL Study has significantly increased.

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Downsizing 2012 Power Powered 210

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.

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Fuel Economy Economy Auto Industry Standards 199

Green Car Congress

MARCH 5, 2013

Vehicle size, a key determinant of fuel economy, has shown a reduction in OECD countries, while the non-OECD trend is toward bigger vehicles. The analysis, an update of an earlier work using data from 2010 and 2011, found that the global average for light-duty vehicle fuel economy was 7.2 Source: GFEI. Click to enlarge.

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Fuel Economy Economy Fuel 2005 170

Green Car Congress

JANUARY 14, 2014

In part-load operation, the indirect injection supplements direct gasoline injection to improve fuel economy and to reduce the output of particulates from the engine. GDI technology provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. Earlier post.).

Gasoline 304

Gasoline Audi Fuel Engine 304

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. Based on a VW Passat family-sized saloon, the demonstrator currently incorporates a advanced, AVL-developed 2-liter gasoline engine already delivering a fuel consumption of 6.6 Click to enlarge.

VRLA 210

VRLA Hybrid Downsizing Fuel 210

Green Car Congress

SEPTEMBER 2, 2010

New fleet efficiency horizon in terms of energy intensity and fuel consumption. Tripling US new light-duty vehicle fleet fuel efficiency by 2035 through evolutionary change—e.g., Tripling US new light-duty vehicle fleet fuel efficiency by 2035 through evolutionary change—e.g., Source: DeCicco 2010. Click to enlarge.

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Fleet Fuel Automobile MPG 236

Green Car Congress

JUNE 16, 2011

According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29% at an additional cost of $2,200 to the consumer. Source: NRC. Click to enlarge.

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Fuel Downsizing Fuel Economy Diesel 210

Green Car Congress

JUNE 4, 2010

Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles over the next 15 years without compromising vehicle performance or safety, according to a new report by the National Research Council. Engines and Technologies.

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Purchase Lithium Ion Fuel Available 210

Green Car Congress

MARCH 20, 2013

A team from Brunel University, MAHLE Powertrain and University College London studied the combined effects of different inlet valve operating strategies on combustion, performance and emissions with different ethanol and 1-butanol blends with gasoline in a single-cylinder spark-ignition research engine equipped with a fully variable valvetrain.

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Gasoline Exhaust Downsizing Engine 225

Green Car Congress

JULY 14, 2016

The upside of gasoline direct injection (GDI) engines is widely seen as being improved fuel economy coupled with an increase in specific power (especially with turbocharging), enabling significant downsizing. A new study by a team at the University of Toronto has made a preliminary assessment of the climate trade-off (i.e.,

Climate 150

Climate Engine Carbon Fuel Economy 150

Green Car Congress

OCTOBER 25, 2012

Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. FEV performed engine mappings in a dynamometer test cell to evaluate the fuel economy of Pinnacle’s TP90 scooter engine compared to a benchmark engine (N15) from Pinnacle’s Asian OEM partner. Click to enlarge.

Engine 262

Engine Fuel Fuel Economy Production 262

Green Car Congress

APRIL 10, 2014

OBS is a membrane-based process that separates gasoline into higher and lower octane fractions—essentially creating a dual fuel system from a single base fuel—allowing optimal use of fuel components based on engine requirements. 100 RON product when using regular unleaded (RUL) 92 RON gasoline as the base fuel.

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Gasoline Engine Toyota Fuel Economy 316

Green Car Congress

JANUARY 16, 2017

Co-Optima’s premise is that current fuels constrain engine design—and thus engine efficiency. The teams are also evaluating the impact of discrete fuel properties on advanced SI engine performance. The research teams have identified more than 40 promising blendstock candidates.

Engine 150

Engine Fuel Downsizing Gasoline 150

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. and fuel properties.

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Standards Emissions Miles Engine 246

Green Car Congress

JUNE 23, 2015

A comparison of the benefits of two different cylinder deactivation operating strategies for downsized 3-cylinder engines such as the 1.0L That may be, but Ford is exploring ways to further improve the fuel efficiency of the three-cylinder design, including the possible use of cylinder deactivation. Schamel et al. Click to enlarge.

Ford 150

Ford Fuel Economy Downsizing Economy 150

Green Car Congress

JUNE 19, 2015

The analysis used by federal agencies to set standards for fuel economy (CAFE) and greenhouse gas emissions for new US light-duty vehicles from 2017 to 2025 was thorough and of high caliber overall, according to a new report from the National Research Council. UMTRI Survey: US drivers want better fuel economy, don’t care how.

Standards 150

Standards Fuel Economy Economy EPA 150

Green Car Congress

SEPTEMBER 17, 2016

Terpineol is a bio-derived oxygenated fuel obtained from pine tree resin, and has the advantage of higher calorific value than ethanol, enabling improved fuel economy. In the age of engine downsizing and supercharging, high octane fuels are increasingly needed for spark ignited (SI) engines. Vallinayagam, S.

Gasoline 150

Gasoline Saudi Arabia Downsizing Fuel Economy 150

Green Car Congress

APRIL 17, 2014

In a presentation at the SAE 2014 High Efficiency IC Engine Symposium and then in a paper given at SAE 2014 World Congress, Mark Sellnau, Engineering Manager, Delphi Advanced Powertrain, reported that Brake Specific Fuel Consumption for the 1.8L Vehicle fuel efficiency on FTP. +35% Background. Earlier post.) Earlier post.)

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Gasoline Engine Fuel Wisconsin 304

Green Car Congress

JANUARY 14, 2011

Ford is focused on lightweighting as a key enabling technology for lowering fuel consumption in combustion-engined vehicles (ICE) and for extending the range—and the size—of battery electric vehicles (EVs). A fundamental theme is fuel efficiency for everyone; key to delivering on that is lightweighting.

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Ford Fuel Emissions Vehicles 252

Green Car Congress

NOVEMBER 8, 2011

Current fuel economy policy clearly demonstrates this fact. —“The Case for Technology Neutral Public Policy in Fuel Economy Debate”. The quickest and most cost-effective way to achieve our energy usage goals is through faster adoption of fuel-efficient downsized gasoline and diesel engines.

Standards 247

Standards Transportation Fuel Economy MPG 247

Green Car Congress

OCTOBER 8, 2013

This is lower than typical diesel fuel (CN = 51 for EN590 European diesel, CN = 45 for US ultra-low sulfur diesel No. 2) and will provide longer ignition delay than market diesel fuels. This leads to lower particulate matters (PM) emission in conventional diesel combustion, as shown by a number of other studies. Why naphtha?

Gasoline 207

Gasoline Fuel Range Diesel 207

Green Car Congress

APRIL 26, 2009

Proposed by John Heywood and colleagues at MIT in 2005, the basic premise of E85 boosting is that ethanol (or other lower alcohols) suppresses knock due to the large evaporative cooling effect it has on the air-fuel mixture when injected directly into the cylinder, supplemented by ethanol’s inherent high octane number. Earlier post.)

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Diesel Ford F-150 Gasoline 170

Green Car Congress

AUGUST 1, 2016

The US Department of Energy (DOE) will award up to $7 million in project funding to accelerate the introduction of affordable, scalable, and sustainable high-performance fuels for use in high-efficiency, low-emission engines as part of the Co-Optimization of Fuels and Engines (Co-Optima) initiative. Earlier post.).

Engine 150

Engine Fuel Emissions Pollution 150

Green Car Congress

MAY 17, 2013

In a policy analysis in the ACS journal Environmental Science & Technology , researchers from the Universities of Cambridge, Exeter and Oxford argue that, due to the increased emphasis on alternative fuels with drastically differing energy densities, vehicle efficiency should be evaluated based on energy rather than volume. respectively.

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Fuel Energy Gasoline-Electric Gasoline 210

Green Car Congress

APRIL 12, 2010

EcoBoost technology combines direct fuel injection, variable cam timing and turbocharging to reduce fuel consumption, CO 2 emissions and cut vehicle weight, while giving drivers the performance of a bigger engine. The EcoBoost F-150 is expected to deliver best-in-class fuel economy along with the power and towing capability of a V-8.

Ford 199

Ford 2013 F-150 Engine 199

Green Car Congress

FEBRUARY 14, 2010

The study by Aaron Brooker, Matthew Thorton and John Rugh aimed to identify possible pathways to cost-effective vehicle electrification by evaluating a variety of scenarios and technology improvements. Although the fuel cost went down, opportunity charging increased the use of the battery. Source: Brooker et al. Click to enlarge.

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Plug-in Plug Vehicles PHEV 231