Green Car Congress

OCTOBER 11, 2014

With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

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Fuel Economy EPA PHEV Economy 312

Green Car Congress

APRIL 26, 2016

The board of directors of Mitsubishi Motors Corporation (MMC) is establishing a special investigation committee, consisting of only external experts, to investigate the improper fuel economy testing and certification of mini-cars to which it admitted recently.

Fuel Economy 150

Fuel Economy Mitsubishi Economy Fuel 150

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.,

Fuel Economy 357

Fuel Economy Economy Gasoline Downsizing 357

Green Car Congress

JULY 4, 2018

Researchers at ORNL, in partnership with FCA US and Nemak USA, have developed a new suite of aluminum-based alloys that could give automakers a boost in achieving ambitious fuel economy goals. Current alloys inhibit engine efficiency because they soften at the peak temperatures present in highly efficient advanced engines.

Fuel Economy 186

Fuel Economy Economy Fuel USA 186

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%.

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Fuel Economy Economy Buy Fuel 150

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

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

JULY 4, 2018

Researchers at ORNL, in partnership with FCA US and Nemak USA, have developed a new suite of aluminum-based alloys that could give automakers a boost in achieving ambitious fuel economy goals. Current alloys inhibit engine efficiency because they soften at the peak temperatures present in highly efficient advanced engines.

Fuel Economy 150

Fuel Economy Economy Fuel USA 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

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.

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Diesel Future Fuel Economy China 221

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

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

MARCH 21, 2013

announced that test fleet users achieved an average 5% fuel economy improvement with the Allison TC10 tractor transmission over their current manual and automated manual transmissions. Allison Transmission Holdings Inc. It is fully automatic and offers smooth, seamless shifting through the 10 gear ranges.

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Fuel Economy Economy Fleet Fuel 218

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). Engines Fuel Efficiency' Kurauchi, T.

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Fuel Economy Economy Engine Toyota 278

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

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

Fuel Economy 150

Fuel Economy Economy Diesel Light 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

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

Fuel Economy 210

Fuel Economy Economy Fuel Maintenance 210

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

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.)

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Fuel Economy Plug Economy Energy 210

Green Car Congress

APRIL 14, 2023

The US Environmental Protection Agency (EPA) released its 30 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 2021. Fuel economy of light-duty vehicles is another important factor. following a decrease of 3.7%

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EPA 2020 Emissions Climate Change 259

Green Car Reports

DECEMBER 30, 2016

Lobbyists for big automakers, both domestic and foreign, make no secret about their desire for lower fuel-economy standards. One argument presented to support a lowering of standards is that the cost of compliance with current rules will be passed on to consumers in the form of higher new-car prices.

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Fuel Economy Economy Price Fuel 76

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.

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Fuel Economy Economy GM GMC 150

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.

Fuel Economy 231

Fuel Economy Economy Engine Fuel 231

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 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

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%.

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Fuel Economy Economy GM Gasoline 210

Green Car Congress

APRIL 17, 2013

This, when combined with secondary mass savings and other design changes, could boost fuel economy by around 18%. The cost increase was about $1 per kilogram of weight saved, which consumers will recoup in fuel savings in less than two years of operating the more efficient vehicle.

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Fuel Economy Economy Fuel EPA 257

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

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

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

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Fuel Economy Economy Environment Fleet 199

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. Resources.

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Hydrogen Renewable Price Fuel 357

Green Car Congress

SEPTEMBER 5, 2011

It covers the range from high-power and -torque variants to fuel-efficient derivatives. The new powertrains are also up to 90 kg lighter than the present ones and fuel economy is improved by up to 35%. The new VEA engines reduce the number of unique parts by 60%. It’s time to stop counting cylinders.

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Downsizing Fuel Economy Volvo Economy 268

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

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Fuel Economy Engine Fuel Economy 277

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

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