Downsizing, Engine, Fuel Economy and Resource

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

JUNE 23, 2014

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 Cost of the new engine relative to gasoline baseline. Earlier post.). l/100 km) for a vehicle of that size.

Fuel Economy

Fuel Economy Economy Gasoline Downsizing

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Green Car Congress

MAY 9, 2012

Christopher Thomas, BorgWarner VP, Advanced Engineering, Engine Group and VP, Advanced Engineering, Drivetrain Group presented the basic concepts of VEMB and current BorgWarner test results at the recent SAE 2012 High Efficiency IC Engine Symposium. improvement in fuel economy on an E-class vehicle (e.g.,

Fuel Economy

Fuel Economy Downsizing Economy Engine

HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

Green Car Congress

NOVEMBER 1, 2011

variant but with fuel economy of a strong hybrid. HyBoost achieves this by combining aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance, and a micro-hybrid stop-start and energy recuperation systems, Boggs said. Downsizing the 2.0-liter Click to enlarge.

Downsizing

Downsizing Prius Hybrid Emissions

Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

AUGUST 2, 2009

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Knittel, 2009. Click to enlarge.

Fuel Economy

Fuel Economy Downsizing Obama Economy

Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

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

Fuel Economy Economy Fuel Eaton

Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

Green Car Congress

FEBRUARY 22, 2018

The found that using a GPF did not show any fuel economy and CO 2 emission penalties, while the emissions of total hydrocarbons (THC), carbon monoxide (CO), and nitrogen oxides (NOx) were generally reduced. liter all-guided direct injection SI Atkinson cycle engine; the second was equipped with a 1.5-liter Yang et al.

Gasoline

Gasoline Emissions Engine Fuel Economy

FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

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

Fuel Economy Economy Fuel Downsizing

Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

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. Combustion of the fuels was evaluated in a turbocharged four-cylinder 2.0-liter O 2 (% wt). Cairns et al.

Alcohol Blend

Alcohol Blend Downsizing Engine Fuel

Co-Optima releases capstone report on first 4 years of work

Green Car Congress

MARCH 27, 2020

For the past four years, the Co-Optimization of Fuels & Engines (Co-Optima) National Laboratory consortium has focused research efforts primarily on turbocharged (boosted) spark-ignition (SI) engines for light-duty vehicles. The report highlights researchers’ answers to three vital questions: What fuels do engines want?

Alcohol Blend

Alcohol Blend Fuel Engine Fuel Economy

Ford / AVL study concludes mid-level ethanol blend attractive as a long-term future fuel for use in optimized engines in US

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. Fuel efficiency. Downsizing/downspeeding. Earlier post.)

Engine

Engine Fuel Ford Future

U Toronto team assess the climate trade-off between reduced CO2 and increased Black Carbon from GDI engines

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. The extent of fuel-air mixing can be affected by injection system design. Credit: ACS, Zimmerman et al.

Climate

Climate Engine Carbon Fuel Economy

Tsinghua studies on alcohol-gasoline dual fuel engines show fuel efficiency and particle number benefits

Green Car Congress

AUGUST 10, 2015

In one paper, published in the journal Fuel , they investigated the use of alcohols–gasoline DFSI Combustion for knock suppression and high fuel efficiency using a gasoline engine with high compression ratio. Researchers are seeking new effective methods for knock suppression and subsequent fuel economy improvement.

Gasoline

Gasoline Fuel Engine Fuel Economy

A123: Increasing 48V battery power up to ~25 kW enables advanced mild hybrid capabilities with greater fuel savings

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. Current MHEV systems typically consist of an engine coupled to a belt-integrated starter generator (BISG).

Battery Powered

Battery Powered Fuel Economy Power Powered

GFEI report finds improvements in average new LDV fuel economy lagging pace required to cut 50% fuel use for new cars worldwide by 2030; policy focus should be on emerging markets

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.

Fuel Economy

Fuel Economy Economy Fuel 2005

DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine

Green Car Congress

JUNE 22, 2013

Brake specific fuel consumption (BSFC) curves for a 5.7L 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. Engine displacement is 2.4L. Turbo-DI V6 (both with actual data), and a 2.2L Earlier post.).

Engine

Engine Eaton Fuel Economy Downsizing

Center for Automotive Research calls long-run economic risk to auto industry of mandating permanent fuel economy standards very serious; recommends periodic reviews

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

Fuel Economy Economy Auto Industry Standards

ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

Green Car Congress

JULY 11, 2017

The International Council on Clean Transportation (ICCT), one of the organizations at the root of uncovering the Volkswagen diesel emission scandal ( earlier post ), has published a new analysis of developments and trends in advanced diesel engine technology. Background. miles per gallon in model year 2016, and 49.1

Diesel

Diesel Light Fuel Economy 2017

DOE BETO seeking input on Optima initiative for co-optimization of fuels and engines

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

Engine Fuel Fuel Economy Light

New 4-cylinder 2.3L EcoBoost on Lincoln MKC small SUV; future EcoBoost prospects

Green Car Congress

NOVEMBER 17, 2013

The all-new 2015 Lincoln MKC small premium utility, unveiled last week, offers an all-new engine—a 2.3-liter Ford says the engine can deliver up to 15% better fuel economy than comparable six-cylinder engines. Other engines in Ford’s EcoBoost family are the 1.0-liter Ford specifically engineered the 2.3-liter

Louisville

Louisville Exhaust Future Fuel Economy

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

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.

Emissions

Emissions Diesel Engine 2010

Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

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.

Standards

Standards Emissions Miles Engine

Westport and GTI awarded $900,000 to advance natural gas combustion technology; ESI with high frequency corona discharge ignition

Green Car Congress

DECEMBER 9, 2015

The work will feature Westport’s enhanced spark ignited (ESI) natural gas engine technology ( earlier post ) with the integration and demonstration of high frequency corona discharge ignition on an original equipment manufacturer (OEM) partner’s engine. The engine has a displacement of between 1 and 1.5 Westport Innovations Inc.,

Gas

Gas Downsizing Fuel Economy Engine

Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

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

Honda Concept Engine Downsizing

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

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.

Waste

Waste PHEV Fuel Exhaust

IEA: carbon intensity of global energy supply has barely changed in last 20 years; “window of opportunity in transport”

Green Car Congress

APRIL 18, 2013

While fuel economy of engined-cars is the key technology pathway to decarbonizing the transport sector by 2020, the 2DS also envisages 20 million EVs on the road by 2020, with yearly sales reaching seven million vehicles. Engine downsizing and weight reduction represent around 30% of that potential collectively.

Carbon

Carbon Supplies Global Transportation

Navigant forecasts global road transportation energy consumption to increase 25% by 2035; 84% from conventional fuels

Green Car Congress

JULY 28, 2014

Markets for both vehicles and fuels have gradually begun to respond to these government programs, and alternative fuels are beginning to have an impact on global oil demand. Fuel efficiency improvements are relatively easily integrated into mass-market vehicles.

Transportation

Transportation Global Fuel Alternative Fuels

CALSTART survey of major auto suppliers finds 70% don’t want US to change CAFE targets; split on amount of electrification needed

Green Car Congress

SEPTEMBER 15, 2016

Major automotive suppliers see national fuel economy standards as important for long-term planning and investment and don’t want to see them altered by US policymakers, according to a first-of-its-kind industry survey commissioned by CALSTART and conducted by Ricardo Energy & Environment.

Fuel Economy

Fuel Economy Auto Economy Standards

Audi using supplementary port fuel injection to address particulates from gasoline direct injection

Green Car Congress

JANUARY 14, 2014

liter EA888 Gen3 engine featured in Audi’s all-road shooting brake plug-in hybrid concept unveiled at the North American International Auto Show this week ( earlier post ) features—as does its production ilk—a dual injection system that combines direct injection with indirect injection into the intake manifold. Credit: Audi.

Gasoline

Gasoline Audi Fuel Engine

Audi introduces new high-efficiency 2.0L TFSI based on Miller cycle; 190 hp, 47 mpg

Green Car Congress

MAY 8, 2015

TFSI gasoline turbocharged direct injection engine for the first time at the Vienna Motor Symposium this week. The engine, which features a new combustion method, will be used for the first time in the next generation of the A4. The four-cylinder engine delivers 140 kW (190 hp) and 320 N·m (236.0 l/100 km (47.0

Audi

Audi MPG Downsizing 2015

Delphi develops new high-pressure common rail systems for heavy-duty and light-duty engines; Euro VI and beyond

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.

Engine

Engine Light Diesel 2000

Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

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.

2009

2009 Engine Detroit Oregon

CPT/AVL Study: New Generation of Micro-Hybrid Technologies Can Enable More than 25% Reduction in Fuel Consumption at Lower Cost Than Full Hybrid Drive Systems

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. 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.

VRLA

VRLA Hybrid Downsizing Fuel

Advanced Turbocharged, Direct Injected Gasoline Engines Poised to Take on Diesels in US and in Europe for Reduced Fuel Consumption and Emissions

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

Gasoline Diesel Engine Emissions

Former Commerce and Transportation Secretary Norman Mineta urges technology neutral policies in reaching proposed CAFE standards

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”. From a “well-to-wheel” perspective, high efficient gasoline and diesel engines are nearly as energy efficient as any technology available.

Standards

Standards Transportation Fuel Economy MPG

Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

Green Car Congress

NOVEMBER 28, 2016

In October 2015, the US Department of Energy’s (DOE) launched a broad, joint effort to co-optimize the development of efficient engines and low greenhouse-gas fuels for on-road vehicles with the goal of reducing petroleum consumption by 30% by 2030 beyond what is already targeted. How do engine parameters affect efficiency?

Engine

Engine Fuel Vehicles Emissions

Auto industry survey finds need for materials innovation to meet 2025 CAFE; greatest change seen in powertrain systems

Green Car Congress

AUGUST 3, 2011

The auto industry’s current materials portfolio will need to be augmented to meet new 2025 fuel economy standards, according to a WardsAuto and DuPont Automotive survey conducted in late July. Click to enlarge.

Auto Industry

Auto Industry Industrial Industry Auto

National Research Council Study Finds That Available Technologies Can Result in Significant Fuel Savings for Passenger Vehicles Over the Next 15 Years, But at Higher Purchase Prices for Consumers

Green Car Congress

JUNE 4, 2010

Using a 2007 base vehicle, the committee estimated the potential fuel savings and costs to consumers of available technology combinations for three types of engines over that timeframe: spark-ignition gasoline, compression-ignition (CI) diesel, and hybrid. Engines and Technologies.

Purchase

Purchase Lithium Ion Fuel Available

GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

Green Car Congress

JULY 12, 2013

GM’s fuel-economy plan through the 2016 model year focuses on a reduction in vehicle mass and aggressive investment in advanced materials, such as high-strength steel, carbon fiber and aluminum, enabled in part by our industry-first aluminum welding technology. Earlier post.). Manufacturing energy use and emissions.

GM

GM MPG Manufacturer 2017

Split injection Miller cycle with boost decreases knock tendency and increases torque in downsized engine

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. —Wei et al.

Downsizing

Downsizing Engine Fuel Economy E6

McMaster team reviews progress on hybrid-specific engine technologies

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.

Engine

Engine Hybrid Fuel Economy Alternative Fuels

Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

Green Car Congress

MARCH 31, 2014

Because of the shifts in the materials mix of the vehicles, the material resources requirements for manufacturing also changed. Where energy resources are concerned, lignite, hard coal and uranium figure principally in car production. The start/stop system as standard for all engine variants. The new C-Class. Click to enlarge.

Mercedes

Mercedes CO2 2007 MPG

Study Finds That Tripling US LDV New Fleet Fuel Efficiency by 2035 Through Evolutionary Change is Ambitious But Doable

Green Car Congress

SEPTEMBER 2, 2010

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., Adjusted on-road fuel economy correspondingly would be 41 mpg (5.74 Source: DeCicco 2010. Click to enlarge.

Fleet

Fleet Fuel Automobile MPG

Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

Green Car Congress

MAY 8, 2013

At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. I4 Ecotec engine.

Fuel Economy

Fuel Economy Economy Fuel Engine

AVL Concept Turbohybrid Mild Hybrid System Approaches Full Hybrid Fuel Savings at Lower Cost; Improved Driveability

Green Car Congress

FEBRUARY 4, 2009

Comparison of Fuel Consumption, Fun to Drive and System Cost of the different powertrain concepts. The clutch module contains a second clutch, currently not activated, which can disconnect the combustion engine from the drive train to enable electric-only driving in a future phase. Downsizing a gasoline engine (e.g.,

Hybrid

Hybrid Concept Downsizing Fuel

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

Co-Optima releases capstone report on first 4 years of work

Ford / AVL study concludes mid-level ethanol blend attractive as a long-term future fuel for use in optimized engines in US

U Toronto team assess the climate trade-off between reduced CO2 and increased Black Carbon from GDI engines

Tsinghua studies on alcohol-gasoline dual fuel engines show fuel efficiency and particle number benefits

A123: Increasing 48V battery power up to ~25 kW enables advanced mild hybrid capabilities with greater fuel savings

GFEI report finds improvements in average new LDV fuel economy lagging pace required to cut 50% fuel use for new cars worldwide by 2030; policy focus should be on emerging markets

DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine

Center for Automotive Research calls long-run economic risk to auto industry of mandating permanent fuel economy standards very serious; recommends periodic reviews

ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

DOE BETO seeking input on Optima initiative for co-optimization of fuels and engines

New 4-cylinder 2.3L EcoBoost on Lincoln MKC small SUV; future EcoBoost prospects

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

Westport and GTI awarded $900,000 to advance natural gas combustion technology; ESI with high frequency corona discharge ignition

Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

IEA: carbon intensity of global energy supply has barely changed in last 20 years; “window of opportunity in transport”

Navigant forecasts global road transportation energy consumption to increase 25% by 2035; 84% from conventional fuels

CALSTART survey of major auto suppliers finds 70% don’t want US to change CAFE targets; split on amount of electrification needed

Audi using supplementary port fuel injection to address particulates from gasoline direct injection

Audi introduces new high-efficiency 2.0L TFSI based on Miller cycle; 190 hp, 47 mpg

Delphi develops new high-pressure common rail systems for heavy-duty and light-duty engines; Euro VI and beyond

Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

CPT/AVL Study: New Generation of Micro-Hybrid Technologies Can Enable More than 25% Reduction in Fuel Consumption at Lower Cost Than Full Hybrid Drive Systems

Advanced Turbocharged, Direct Injected Gasoline Engines Poised to Take on Diesels in US and in Europe for Reduced Fuel Consumption and Emissions

Former Commerce and Transportation Secretary Norman Mineta urges technology neutral policies in reaching proposed CAFE standards

Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

Auto industry survey finds need for materials innovation to meet 2025 CAFE; greatest change seen in powertrain systems

National Research Council Study Finds That Available Technologies Can Result in Significant Fuel Savings for Passenger Vehicles Over the Next 15 Years, But at Higher Purchase Prices for Consumers

GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

Split injection Miller cycle with boost decreases knock tendency and increases torque in downsized engine

McMaster team reviews progress on hybrid-specific engine technologies

Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

Study Finds That Tripling US LDV New Fleet Fuel Efficiency by 2035 Through Evolutionary Change is Ambitious But Doable

Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

AVL Concept Turbohybrid Mild Hybrid System Approaches Full Hybrid Fuel Savings at Lower Cost; Improved Driveability

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