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 Resources (DOE will publish Merit Review presentations on its website.). Earlier post.). Weigert, E.,

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Fuel Economy Economy Gasoline Downsizing 357

Green Car Congress

JUNE 30, 2016

Electric vehicles (EVs) will need to increase their combined market share to 16% by 2020 for markets to achieve the aggressive fuel economy standards set by regulators, according to new research by the World Energy Council, the UN-accredited global energy body representing the entire energy spectrum. In the EU, the EV gap is 1.4

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Fuel Economy 2020 Economy Standards 247

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. The diagnostic presented in the paper allows researchers to quantify the formation of particulate matter in combusting sprays with unprecedented temporal and spatial resolution.

Fuel Economy 150

Fuel Economy Economy Emissions Fuel 150

Green Car Congress

MARCH 24, 2016

Autonomous vehicle driving behavior can have a considerable effect on fuel economy. However, the study also showed that autonomous vehicle (AV) technology following algorithms designed without considering efficiency can degrade fuel economy by up to 3%. —Mersky and Samaras (2016).

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Fuel Economy Economy Fuel Vehicles 150

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. —“Global Fuel Economy Initiative Plan of Action 2012-2015. Earlier post.). Policy support.

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Fuel Economy Economy Global Fuel 231

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 150

Fuel Economy Chicago Economy Standards 150

Green Car Congress

OCTOBER 18, 2011

The study evaluated 695 tractor-trailers, heavy-duty trucks and drivers in multiple US locations to assess the effect of driving performance on fuel consumption and the impact of training and in-vehicle instant feedback on improving fuel economy. Fuel Efficiency Study: Commercial Transportation.

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Fuel Economy Economy Commercial Fleet 225

Green Car Congress

AUGUST 30, 2010

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. Fuel Consumption: Combined city/highway gallons per 100 miles. Color is integral to the new schemes. Source: EPA.

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Fuel Economy EPA Economy Fuel 297

Green Car Congress

JULY 23, 2014

Enerpulse Technologies said that it has further identified the underlying mechanism by which its its pulsed energy ignition technology improves fuel economy, reduces emission and delivers higher torque in spark ignited (SI) internal combustion (IC) engines. Earlier post.)

Fuel Economy 210

Fuel Economy Plug Economy Energy 210

Green Car Congress

JULY 8, 2017

The CNG buses had an average fuel economy of 3.89 However, because Foothill Transit operates its BEB and CNG bus fleets differently, the efficiency results presented are not an apples-to-apples comparison. mpgge, equating to 4.34 —NREL report.

Fuel Economy 210

Fuel Economy Economy Fuel Maintenance 210

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. Test cycle fuel economy (mpg). The Highway Fuel Economy Test (HFET) and FTP-75 Test (city) cycles demonstrated fuel economy above 35 mpg (6.72

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Fuel Economy Economy Diesel Light 150

Green Car Congress

JUNE 20, 2014

The result of their work, presented in papers this spring at the SAE 2014 World Congress, the Vienna Motor Symposium, and the JSAE Annual Congress, is the new 1.3-liter liter ESTEC (Economy with Superior Thermal Efficient Combustion) in-line 4-cylinder Gasoline Engine (1NR-FKE). —Yamada et al. Trend of engine efficiency.

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Fuel Economy Economy Engine Toyota 278

Green Car Congress

JUNE 6, 2020

The study concludes that, with appropriate policy support, the renewable hydrogen sector can reach self-sustainability (price point at parity with conventional fuel on a fuel-economy adjusted basis) by the mid- to late-2020s. per kilogram by 2025.

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Hydrogen Renewable Price Fuel 357

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

APRIL 25, 2016

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. mpg at DSF versus 17.34 mpg at V8 mode.

Fuel Economy 150

Fuel Economy Economy GM GMC 150

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., Source: Borgwarner.

Fuel Economy 218

Fuel Economy Downsizing Economy Engine 218

Green Car Congress

FEBRUARY 25, 2014

Staff at the non-profit research organization presented it with little fanfare to the SwRI board of directors and advisory trustees along with 7 other research projects at the 66 th annual meeting on Monday. As will be presented at SAE World Congress, SwRI engineers modified the 2.0-liter Engines Fuel Efficiency Vehicle Systems'

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Fuel Economy Engine Fuel Economy 277

Green Car Congress

NOVEMBER 1, 2013

The engineers tested a prototype 100cc engine on a dyno to gather steady-state fuel consumption, emissions, and combustion stability data over a matrix of speed, load, mixture ratio, and combustion phasing. Four engine control modes were evaluated with the goal of reducing NO x and minimizing fuel economy impact.

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Fuel Economy Economy Engine Fuel 231

Green Car Congress

FEBRUARY 17, 2011

In response to federal policies to boost gas mileage, manufacturers have changed vehicle weights, improved tire-rolling resistance and added aerodynamic features to push fuel-economy rates past government-mandated thresholds. mpg and 22.4 mpg) that lead to large changes in tax liability or the amount of a subsidy. mpg US (12.7

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Fuel Economy Economy Fuel MPG 186

Green Car Congress

APRIL 14, 2011

GM is exploring the use of an ultracapacitor-based Active Energy Recovery Buffer (AERB) scheme as a low-cost means to improve fuel economy in conventional vehicles; results of a simulation study presented at SAE 2011 World Congress showed improvement of up to 1.3% liter engine and a six-speed transmission.

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Fuel Economy Low Cost Economy GM 240

Green Car Congress

FEBRUARY 24, 2011

On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy. On drive cycles representing routes with fewer stops and accelerations, the gHEV trucks demonstrated similar fuel economy to the diesels. gasoline engine and Azure Dynamics, Inc.

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Fuel Economy Economy Gasoline Diesel 186

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 199

Fuel Economy Economy Environment Fleet 199

Green Car Congress

DECEMBER 1, 2016

A new study by a team at Oak Ridge National Laboratory (ORNL) suggests that low penetration rates of connected and automated vehicles (CAVs) can deliver significant fuel consumption benefits, but that the total travel time increases slightly. Earlier post.). Rios-Torres, J., and Malikopoulos, A.A.

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Fuel Economy Fuel Economy 2016 150

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.

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Engine Hybrid Fuel Economy Economy 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. 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

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

SEPTEMBER 22, 2009

Cash for Clunkers”) program could maximize greenhouse gas emissions savings by using fuel-economy based eligibility requirements rather than age-based requirements. A minimum age restriction will inadvertently exclude newer, low fuel economy vehicles from participation in the program. Allan et al.

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Cash For Clunkers Fuel Economy Scrappage Economy 186

Green Car Congress

AUGUST 17, 2009

Using a micro-hybrid system featuring carbon/carbon ultracapacitor units as energy storage can result in significant increases in fuel economy over a baseline conventional vehicle, according to a study by Dr. Andrew Burke at UC Davis. Using a motor power of 3 kW reduced the fuel economy improvement on the FUDS by more than 50%.

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Fuel Economy Davis Economy Hybrid 236

Green Car Congress

NOVEMBER 25, 2013

To illustrate the method, they used their model to estimate the MIF values for 2013 model year internal combustion engined using the US Environmental Protection Agency’s (EPA’s) fuel economy certification data. The key policy implication of our model is that the benefit of lightweighting depends on vehicle fuel economy and power.

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Insight Fuel Ford Fuel Economy 225

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.

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Fuel Economy Economy Fuel Downsizing 218

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. NREL collected and analyzed data for in-use fuel economy and fuel costs, maintenance costs, total operating costs, and vehicle uptime.

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Fuel Economy Economy Gasoline Diesel 199

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. Optimization of piston ring dynamics by direct 3D analysis of dynamic effects (presentation, 18.

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Fuel Economy Economy Emissions CO2 210

Green Car Congress

SEPTEMBER 6, 2022

Application of aluminum-steel dissimilar materials body structure is one of key solutions in the automotive industry to reduce vehicle weight and improve fuel economy. Therefore, many research works have been conducted in order to achieve high-quality joints using aluminum to steel dissimilar materials in the past decades. and 424.8%

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Hybrid Fuel Economy Connect Connected 259

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 Sivak and Schoettle performed two regression analyses, one focusing on the number of vehicles purchased and the other one on their rated fuel economy. mpg US (11.6 L/100km) in October 2007 to 21.3

Fuel Economy 150

Fuel Economy Purchase Economy Fuel 150

Green Car Congress

FEBRUARY 15, 2015

Chassis dynamometer testing performed as part of the regulatory development process in China reveals that tractor-trailers seem to have much higher fuel consumption rates, on average, than in the US and the EU, with laboratory results yielding an average of 44 L/100 km (5.4 Sandia parametric analysis explores future of HDV powertrains in US.

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Fuel Economy China Fuel Europe 150

Green Car Congress

MAY 11, 2022

With millions of lines of code sustaining critical systems like driver assistance, fuel economy and more, modern vehicles are more like mobile high performance computers than the cars of the past. The time to innovate is now.

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GM Vehicles General Motors Fuel Economy 432

Green Car Congress

SEPTEMBER 24, 2012

However, he writes, the use of targeted policy intervention raises a number of challenges related to the timing and level of support; the choice of appropriate policies and fuels/technologies that should be supported, and the inherent risks. Networks and partnerships can facilitate co-operation and optimise the use of resources (e.g.

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Green Cars Green Market Green Vehicles 360