Fuel Economy, Gasoline, Presentations and Vehicles

Actual fuel economy of cars and light trucks: 1966-2019

Green Car Congress

JANUARY 7, 2021

vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2019. (My Calculated vehicle fuel economy is available going back to 1923. My previous update included data through 2017.). For example, the 17.0

Fuel Economy

Fuel Economy 2019 Economy Light

Actual fuel economy of cars and light trucks: 1966-2017

Green Car Congress

SEPTEMBER 30, 2019

vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Calculated vehicle fuel economy is available going back to 1923. Annual statistics from the U.S. gallons per 100 miles to 4.48 total Btu).

Fuel Economy

Fuel Economy 2017 Economy Light

Coltura: Federal & state EV policy & incentives must target gasoline superusers to achieve carbon emissions goals

Green Car Congress

JULY 21, 2021

Advocacy group Coltura has published a report that finds converting the biggest users of gasoline to EVs in the next ten years is critical to reaching climate goals and that present EV policies are poorly suited to accomplishing that conversion. Among the findings of the report: Drivers are highly unequal in their gasoline consumption.

Gasoline

Gasoline St. Louis Emissions Carbon

Studies highlight effects of different gasoline components on fuel economy, combustion and emissions

Green Car Congress

APRIL 12, 2018

Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine.

Fuel Economy

Fuel Economy Gasoline Economy Emissions

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 l/100 km) for a vehicle of that size. l/100 km) for a vehicle of that size. Earlier post.).

Fuel Economy

Fuel Economy Economy Gasoline Downsizing

Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

Green Car Congress

SEPTEMBER 23, 2020

Tula Technology is presenting its diesel Dynamic Skip Fire (dDSF) technology ( earlier post ) at the 4 th Future Diesel Powertrain Summit China 2020 on 24-25 September 2020 in Shanghai, China. Engine controller with dDSF: Tula’s proprietary SW for smooth, efficient operation and fuel economy gains. dDSF Simulation Project.

Diesel

Diesel Future Fuel Economy China

EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

Green Car Congress

OCTOBER 11, 2014

The agency’s reasoning was that since alternative fuel vehicle production has generally been less than 0.1% of total vehicle production until very recently, the impact of excluding alternative fuel vehicles was negligible. EPA Trends report.

Fuel Economy

Fuel Economy EPA PHEV Economy

Argonne releases new cradle-to-grave lifecycle analysis of US LDV vehicle-fuel pathways

Green Car Congress

AUGUST 6, 2022

Argonne National Laboratory has published a new cradle-to-grave (C2G) lifecycle analysis (LCA) of US LDV vehicle-fuel pathways. The study provides a comprehensive analysis of the cost and greenhouse gas (GHG) emissions of a variety of vehicle-fuel pathways; the levelized cost of driving (LCD); and the cost of avoided GHG emissions.

Fuel

Fuel Vehicles PHEV Carbon

Researchers find consumers compensate for fuel-efficient car by buying bigger second vehicle; losing 60% of fuel economy savings

Green Car Congress

SEPTEMBER 27, 2017

An analysis by a team from the University of California, Davis, MIT and Yale suggests that households that buy a fuel-efficient vehicle tend to compensate for that purchase by buying a bigger, more powerful second vehicle. This unintended effect could erode goals of fuel economy standard policies by up to 60%.

Fuel Economy

Fuel Economy Economy Buy Fuel

EPA, DOT Propose New Fuel Economy Labels; Addressing GHG Emissions, Fuel Consumption and Advanced Technology Vehicles

Green Car Congress

AUGUST 30, 2010

From left to right: EV, PHEV, gasoline/diesel, gasoline/diesel. The US Department of Transportation (DOT) and the US Environmental Protection Agency (EPA) are jointly proposing changes to the fuel economy labels consumers see on the window of new vehicles in dealer showrooms. Color is integral to the new schemes.

Fuel Economy

Fuel Economy EPA Economy Fuel

NREL study finds gasoline hybrid delivery trucks substantially reduce emissions and beat or maintain fuel economy compared to diesel vehicles

Green Car Congress

FEBRUARY 24, 2011

NREL’s Fleet Test and Evaluation Team recently completed a year-long technology evaluation of gasoline hybrid electric (gHEV) FedEx Express delivery trucks compared with conventional diesel vehicles. These gHEVs are built upon a Ford E-450 strip chassis, and each vehicle is powered by a Ford 5.4L Source: Barnitt 2011.

Fuel Economy

Fuel Economy Economy Gasoline Diesel

U Chicago study proposes market-based approach to fuel economy standards to deal with impacts of fuel price volatility

Green Car Congress

JANUARY 10, 2017

Volatile gasoline prices have caused some regulators and carmakers alike to question the cost and effectiveness of current fuel economy standards, with some arguing they are too stringent and others saying they should be even stronger. —Ryan Kellogg, summarizing his research.

Fuel Economy

Fuel Economy Chicago Economy Standards

GM CEO outlines highlights of fuel economy plan through MY2016: lightweighting; more efficient gasoline and clean diesel engines, electrification

Green Car Congress

MARCH 7, 2013

Within his talk about the need for a US energy policy at the IHS CERAWeek 2013 energy conference in Houston, GM Chairman and CEO Dan Akerson outlined some highlights of the company’s fuel economy plan through the 2016 model year. A good rule of thumb is that a 10% reduction in curb weight will reduce fuel consumption by about 6.5%.

Fuel Economy

Fuel Economy Economy GM Gasoline

Sandia, TUD optical diagnostic helps reduce emissions while improving fuel economy

Green Car Congress

NOVEMBER 3, 2017

The acquired data provides important insights into the fuel spray motion as well as the timing and quantity of soot formed under a wide range of conditions. Skeen noted that although new diesel vehicles are cleaner than ever before, some of the latest generation gasoline engines emit as much particulate matter as older diesel engines.

Fuel Economy

Fuel Economy Economy Emissions Fuel

Interim NREL Report on In-Use Azure Balance Gasoline Hybrids in FedEx Fleet Finds Substantially Lower Tailpipe Emissions, Similar Fuel Economy to Diesels

Green Car Congress

JUNE 12, 2010

Fuel economy was similar between the gHEVs and diesel vehicles, except for the highest kinetic intensity drive cycle where the hybrid exhibited ~20% higher fuel economy. FedEx has deployed 20 gasoline hybrid electric vehicles (gHEVs) on parcel delivery routes in the Sacramento and Los Angeles areas.

Fuel Economy

Fuel Economy Economy Gasoline Diesel

Global Fuel Economy Initiative launches second 3-year campaign; ICCT joins partnership

Green Car Congress

MAY 2, 2012

The Global Fuel Economy Initiative ( GFEI ) ( earlier post ) launched its second three-year effort to improve vehicle fuel economy around the world at the International Transport Forum in Leipzig. litres of gasoline equivalent per 100km. —“Global Fuel Economy Initiative Plan of Action 2012-2015.

Fuel Economy

Fuel Economy Economy Global Fuel

Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

Green Car Congress

MARCH 26, 2015

The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. The demonstration vehicle, provided by Nissan North America, is a 2010 Nissan Titan originally equipped with a gasoline V8 engine. Test cycle fuel economy (mpg).

Fuel Economy

Fuel Economy Economy Diesel Light

New Delphi Technologies 500+ bar GDi system cuts gasoline particulate emissions by up to 50%, reduces fuel consumption

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. —Walter Piock, chief engineer, Gasoline Systems, Delphi Technologies.

Emissions

Emissions Gasoline Fuel Exhaust

Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

Green Car Congress

JUNE 20, 2014

Engineers at Toyota have developed an approach to applying the Atkinson cycle—used in the engines in Toyota hybrids since 1997—for engines in conventional, non-hybrid vehicles. The Atkinson cycle with a high compression ratio is a common approach that hybrid vehicle engines use to enhance thermal efficiency.

Fuel Economy

Fuel Economy Economy Engine Toyota

SwRI develops D-EGR demonstrator highlighting fuel-efficient, cost-effective engine; 10% and above fuel economy improvements

Green Car Congress

FEBRUARY 25, 2014

Southwest Research Institute (SwRI) has built a demonstrator vehicle, based on a 2012 Buick Regal GS, incorporating the latest D-EGR (dedicated EGR) technology ( earlier post ), an outgrowth of SwRI’s HEDGE (High Efficiency Dilute Gasoline Engine) consortium projects ( earlier post ). Engines Fuel Efficiency Vehicle Systems'

Fuel Economy

Fuel Economy Engine Fuel Economy

Opel presents new midsize gasoline engine at Aachen Colloquium; fuel consumption down 13%, torque and power up 33%

Green Car Congress

OCTOBER 16, 2012

Opel revealed more details about its new mid-size gasoline engine family at the Aachen Colloquium in Germany. liter, four-cylinder, SIDI (spark ignition direct injection) ECOTEC Turbo engines, which begin Opel’s renewal of its powertrain portfolio, deliver improved fuel consumption, performance and refinement. SIDI engine.

Gasoline

Gasoline Engine Fuel Power

Recent on-road real-world emission testing in India highlights disparity between cycles, gasoline and diesel

Green Car Congress

AUGUST 14, 2017

The results highlight the disparity between test-cycles and real-world emissions as well as the large disparity between gasoline and diesel vehicles. Red dotted lines represent the corresponding Bharat Stage IV (BS IV) NO x emission standard according to vehicle type: 0.08 gNO x /km for gasoline; and 0.25

Gasoline

Gasoline India Diesel Emissions

UC Riverside team examines influence of mid-and high-level ethanol blends on pollution from GDI flex fuel vehicle

Green Car Congress

JANUARY 2, 2019

Their paper is published in the ACS journal Energy & Fuels. Regulated emissions for all test fuels over the cold-start and hot-start LA92 cycles. Data presented as mean ± standard deviation, N=3. A fuel economy penalty was also observed for lower energy content E30 and E78 blends compared to both E10 fuels.

Pollution

Pollution Fuel Vehicles Emissions

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

EPA GHG Inventory shows US GHG down 1.7% y-o-y in 2019, down 13% from 2005

Green Car Congress

APRIL 17, 2021

The US Environmental Protection Agency (EPA) released its 28 th annual Inventory of US Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2019. The number of vehicle miles traveled (VMT) by light-duty vehicles (i.e., Source; EPA.

2005

2005 2019 EPA Climate Change

Study Finds Both Unemployment Rate and Fuel Price Influence Buyers Decisions on Fuel Economy of Vehicles Purchased

Green Car Congress

JULY 22, 2009

From October 2007 to April 2009, the average fuel economy of purchased new light-duty vehicles improved from 20.2 The study examined the relationship between two economic indicators—the unemployment rate and the price of gasoline—and purchase decisions of new vehicle buyers. mpg US (11.6 Sivak and Schoettle.

Fuel Economy

Fuel Economy Purchase Economy Fuel

Researchers propose optimization strategy for Atkinson cycle engines in hybrids

Green Car Congress

JANUARY 20, 2020

A team from the Beijing Institute of Technology and Beiqi Foton Motor are proposing a performance optimization strategy for the Atkinson cycle gasoline engine, which is playing a key role in the development of hybrid electric vehicles due to its greater fuel economy than a conventional Otto cycle engine. —Niu et al.

Engine

Engine Hybrid Fuel Economy 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

Volvo introducing new downsized 4-cylinder engine range, with fuel economy improvements up to 35%; hybrid and flywheel drive systems

Green Car Congress

SEPTEMBER 5, 2011

The Volvo Car Corporation is introducing a new, downsized engine range consisting solely of four-cylinder gasoline and diesel engines. The upcoming four-cylinder VEA (Volvo Environmental Architecture) engine range includes common rail diesels and direct injected gasoline engines. It’s time to stop counting cylinders.

Downsizing

Downsizing Fuel Economy Volvo Economy

EPA and NHTSA Issue Notice of Intent to Develop New Greenhouse Gas and Fuel Economy Standards for Light-Duty Vehicle Model Years 2017-2025; Proposal Expected by 30 Sep 2011

Green Car Congress

OCTOBER 1, 2010

The US Department of Transportation’s (DOT) National Highway Traffic Safety Administration (NHTSA) and the US Environmental Protection Agency (EPA) issued a Notice of Intent (NOI) to begin developing new standards for greenhouse gases and fuel economy for light-duty vehicles for the 2017-2025 model years. Earlier post.).

Fuel Economy

Fuel Economy EPA 2017 Economy

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

Chrysler to introduce PHEV models in 2016 and 2017 to meet ZEV requirements; new FCA gasoline engine family coming in 2015

Green Car Congress

MAY 6, 2014

Fiat Chrysler Automobiles’ (FCA) Chrysler Brand will launch two plug-in hybrid vehicles (PHEV) over the next several years, said Al Gardner, President and CEO of the Chrysler Brand, during the FCA Investor Day presentations at Auburn Hills, Mi. Much more progress will come as gasoline and diesel engine technologies converge.

Chrysler

Chrysler PHEV 2016 Gasoline

MIT study finds significant economic and environmental benefits from designing US LDVs to use higher octane gasoline (98 RON)

Green Car Congress

MAY 29, 2014

In a companion study to an SAE paper presented in April ( earlier post ), researchers at MIT have quantified the net economic and CO 2 emissions benefit that could be obtained by utilizing 98 RON gasoline in light-duty vehicles, based on reasonable assumptions for possible refinery changes and the evolution of the LDV fleet.

Gasoline

Gasoline MIT Design Emissions

GFEI report concludes 50% improvement in average fuel economy of entire global light duty fleet by 2050 is achievable; importance of the regulatory and fiscal environments

Green Car Congress

FEBRUARY 24, 2011

US NRC panel’s summary estimates of the potential reduction in petroleum consumption by 2035 for vehicle powertrain types assuming that the entire potential of these technologies is used to improve fuel economy rather than performance. This is equivalent to increasing fuel economy from about 30 to about 60 MPG, from 12.5

Fuel Economy

Fuel Economy Economy Environment Fleet

NRC Canada team investigates effect of gasoline particulate filter on PM from light-duty GDI engine

Green Car Congress

SEPTEMBER 17, 2015

A team led by researchers from the National Research Council Canada has investigated the effect of the use of a gasoline particulate filter on the size and morphology of PM emitted from a light-duty gasoline-direct-injection (GDI) vehicle over the FTP-75 and US06 transient drive cycles. Click to enlarge. Earlier post.)

Gasoline

Gasoline Canada Light Engine

Volvo to unveil XC60 gasoline-electric Plug-in Hybrid Concept at Detroit show; system targeted for US and China markets

Green Car Congress

JANUARY 4, 2012

At the 2012 North American International Auto Show in Detroit, Volvo Car Corporation will unveil the Volvo XC60 gasoline-electric Plug-in Hybrid Concept. In today’s model range the Volvo S60, V60 and XC60 form one vehicle cluster. present vehicle. present vehicle. Earlier post.) Earlier post.). and Russia.

Gasoline-Electric

Gasoline-Electric Plug-in Volvo Gasoline

Argonne study identifying fuel consumption penalties for CNG use in conventional light-duty vehicles; optimization pathways

Green Car Congress

MAY 18, 2012

Light-duty vehicle fuel economy penalties for CNG in conventional engines, with and without scaling for performance equivalence. the CNG-fueled engine has lower performance) and up to a 12% fuel consumption penalty when the engine is resized (i.e., “up-sizing”) seconds for gasoline. Source: ANL.

Light

Light Fuel Gasoline-Electric Vehicles

Kia Optima Hybrid sets a new Guinness World Record for fuel economy; Gerdes and Bernius achieve average 64.55 mpg through 48 US states

Green Car Congress

SEPTEMBER 13, 2011

A Kia Optima Hybrid ( earlier post ) driven by hypermiler Wayne Gerdes and his colleague Chris Bernius set a new Guinness World Record for the lowest fuel consumption in a hybrid gasoline vehicle while driving through all 48 adjoining US states. l/100 km), beating the car’s official EPA highway fuel consumption figure by 61.37%.

Kia

Kia MPG Fuel Economy Hybrid

Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

Green Car Congress

JUNE 2, 2014

BC mass emissions for all four GDI and PFI vehicles over the three different driving patterns. This may result in the need for new emissions control strategies—such as a gasoline particulate filter (GPF)—to enable compliance with California LEV III and US EPA Tier 3 particulate emissions standards. Credit: ACS, Chan et al.

Environment

Environment Exhaust Gasoline Canada

Hyundai Motor Group outlines new powertrain strategy: Smart Stream targeting 50% thermal efficiency

Green Car Congress

OCTOBER 24, 2017

More than 1,200 engineers and academics are participating in the two-day event, which features presentations exploring the core theme “Knock the Limit of Powertrain Technologies: To Enhance Value for Customers.”. The Smart Stream powertrains deliver improved fuel economy and reduced exhaust emissions. Fuel Cell Electric Vehicle.

Hyundai

Hyundai Motor Motors Motoring

New piston ring coating from Federal-Mogul reduces ring friction by up to 20%; improved fuel economy and reduced CO2 emissions

Green Car Congress

AUGUST 8, 2011

Federal-Mogul Corporation has developed a new piston ring coating that delivers a direct improvement in fuel economy and CO 2 emissions by reducing ring friction by up to 20% as compared to nitride or other commonly used coatings. Other innovative coatings include HVOF (high-velocity oxygen fuel) and PVD (physical-vapor-deposition).

Fuel Economy

Fuel Economy Economy Emissions CO2

Peugeot introducing new Euro-6 versions of 3-cylinder gasoline and 4-cylinder diesel engines

Green Car Congress

SEPTEMBER 15, 2014

Peugeot is introducing new Euro 6-compliant versions of its three-cylinder PureTech gasoline and four-cylinder BlueHDI diesel engines. g/km at the same point in 2013, putting PSA Peugeot Citroën at the top of the CAFE (Corporate Average Fuel Economy) ranking. Diesel Emissions Engines Fuel Efficiency' l/100 km (73.4

Gasoline

Gasoline Diesel Engine MPG

BMW Group presents prototype of i8 plug-in hybrid; first use of new 3-cylinder engine

Green Car Congress

AUGUST 7, 2013

BMW i presented a prototype of its second production vehicle, the i8 ( earlier post ), at a driving event at the BMW Group’s Miramas test track in France. Calculated using the EU test cycle for plug-in hybrid vehicles, the average fuel efficiency of the BMW i8 at model launch will be less than 2.5 Click to enlarge.

BMW

BMW Plug-in Engine Plug

Study explores long-term trends in motor vehicle emissions in US urban areas; targeting high-emitters

Green Car Congress

AUGUST 19, 2013

The study found that the highest-emitting 10% of gasoline vehicles are now responsible for the overwhelming majority of running CO, NMHC, and NO x. If progress in reducing emissions is to continue, they concluded, vigorous efforts will be needed to identify and repair or replace high-emitting vehicles. Click to enlarge.

Emissions

Emissions Los Angeles Motor Motors

Actual fuel economy of cars and light trucks: 1966-2019

Actual fuel economy of cars and light trucks: 1966-2017

Coltura: Federal & state EV policy & incentives must target gasoline superusers to achieve carbon emissions goals

Studies highlight effects of different gasoline components on fuel economy, combustion and emissions

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

Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

Argonne releases new cradle-to-grave lifecycle analysis of US LDV vehicle-fuel pathways

Researchers find consumers compensate for fuel-efficient car by buying bigger second vehicle; losing 60% of fuel economy savings

EPA, DOT Propose New Fuel Economy Labels; Addressing GHG Emissions, Fuel Consumption and Advanced Technology Vehicles

NREL study finds gasoline hybrid delivery trucks substantially reduce emissions and beat or maintain fuel economy compared to diesel vehicles

U Chicago study proposes market-based approach to fuel economy standards to deal with impacts of fuel price volatility

GM CEO outlines highlights of fuel economy plan through MY2016: lightweighting; more efficient gasoline and clean diesel engines, electrification

Sandia, TUD optical diagnostic helps reduce emissions while improving fuel economy

Interim NREL Report on In-Use Azure Balance Gasoline Hybrids in FedEx Fleet Finds Substantially Lower Tailpipe Emissions, Similar Fuel Economy to Diesels

Global Fuel Economy Initiative launches second 3-year campaign; ICCT joins partnership

Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

New Delphi Technologies 500+ bar GDi system cuts gasoline particulate emissions by up to 50%, reduces fuel consumption

Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

SwRI develops D-EGR demonstrator highlighting fuel-efficient, cost-effective engine; 10% and above fuel economy improvements

Opel presents new midsize gasoline engine at Aachen Colloquium; fuel consumption down 13%, torque and power up 33%

Recent on-road real-world emission testing in India highlights disparity between cycles, gasoline and diesel

UC Riverside team examines influence of mid-and high-level ethanol blends on pollution from GDI flex fuel vehicle

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

EPA GHG Inventory shows US GHG down 1.7% y-o-y in 2019, down 13% from 2005

Study Finds Both Unemployment Rate and Fuel Price Influence Buyers Decisions on Fuel Economy of Vehicles Purchased

Researchers propose optimization strategy for Atkinson cycle engines in hybrids

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

Volvo introducing new downsized 4-cylinder engine range, with fuel economy improvements up to 35%; hybrid and flywheel drive systems

EPA and NHTSA Issue Notice of Intent to Develop New Greenhouse Gas and Fuel Economy Standards for Light-Duty Vehicle Model Years 2017-2025; Proposal Expected by 30 Sep 2011

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

Chrysler to introduce PHEV models in 2016 and 2017 to meet ZEV requirements; new FCA gasoline engine family coming in 2015

MIT study finds significant economic and environmental benefits from designing US LDVs to use higher octane gasoline (98 RON)

GFEI report concludes 50% improvement in average fuel economy of entire global light duty fleet by 2050 is achievable; importance of the regulatory and fiscal environments

NRC Canada team investigates effect of gasoline particulate filter on PM from light-duty GDI engine

Volvo to unveil XC60 gasoline-electric Plug-in Hybrid Concept at Detroit show; system targeted for US and China markets

Argonne study identifying fuel consumption penalties for CNG use in conventional light-duty vehicles; optimization pathways

Kia Optima Hybrid sets a new Guinness World Record for fuel economy; Gerdes and Bernius achieve average 64.55 mpg through 48 US states

Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

Hyundai Motor Group outlines new powertrain strategy: Smart Stream targeting 50% thermal efficiency

New piston ring coating from Federal-Mogul reduces ring friction by up to 20%; improved fuel economy and reduced CO2 emissions

Peugeot introducing new Euro-6 versions of 3-cylinder gasoline and 4-cylinder diesel engines

BMW Group presents prototype of i8 plug-in hybrid; first use of new 3-cylinder engine

Study explores long-term trends in motor vehicle emissions in US urban areas; targeting high-emitters

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