Green Car Congress

JANUARY 10, 2020

A new study by a team at the National Renewable Energy Laboratory (NREL) concludes that a high-pressure, scalable, intra-city hydrogen pipeline system could improve the economics and logistics of hydrogen delivery, making it potentially cost-competitive with gasoline. kg—approximately equivalent to a gasoline cost of $2.7/gal

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Hydrogen Gasoline Los Angeles Chad 298

Green Car Congress

JANUARY 28, 2018

Now, in a new study published in the ACS journal Environmental Science & Technology , researchers at Carnegie Mellon University have found that secondary organic aerosol (SOA) production from both port fuel injection (PFI) and gasoline direct injection (GDI) vehicles has been substantially reduced through the tightening of NMOG emissions.

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Standards Production Exhaust Gasoline 170

Green Car Congress

MARCH 3, 2021

In a recent collaborative study led by the University of Maryland (UMD), researchers found that consumers tend to buy something less fuel efficient than they normally would for their second car after buying an eco-friendly vehicle. The data revealed multiple trends that correlate with a decrease in overall fuel economy and efficiency.

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Purchase Fuel Economy Fuel Cash For Clunkers 220

Green Car Congress

NOVEMBER 11, 2016

Switching from the automotive standards to the trading scheme could save as much as €63 billion, says the study’s lead author Sergey Paltsev, deputy director at MIT’s Joint Program on the Science and Policy of Global Change and senior research scientist at the MIT Energy Initiative. —Paltsev et al. —Sergey Paltsev.

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Standards Emissions CO2 Europe 218

Green Car Congress

MARCH 16, 2012

Environmental impacts of gasoline and E85. previous studies have followed the general framework of life cycle assessment (LCA), they have focused almost exclusively on quantifying the energy balance and GHG emissions associated with biofuels production. Error bar shows regional variations for E85. GW = global warming; Eut.

Gasoline 357

Gasoline Water Emissions Minnesota 357

Green Car Congress

OCTOBER 29, 2012

The federal subsidy significantly favors larger battery packs to a stronger degree than their potential for additional gasoline savings. Non-domestic charging infrastructure is generally not necessary for operation of PHEVs, and substantial gasoline displacement can be achieved solely with home charging. Peterson and Michalek 2012.

Gasoline 308

Gasoline PHEV Gasoline-Electric Batteries 308

Green Car Congress

FEBRUARY 15, 2016

A study by researchers at Carnegie Mellon University has concluded that regulatory incentives for OEMs for alternative fuel vehicles (AFVs) intended to encourage a technology transition in the transportation fleet result in increased fleet-wide gasoline consumption and emissions. Earlier post.). Incentives for selling AFVs.

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Gasoline Fleet Emissions Fuel 150

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.

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Gasoline MIT Design Emissions 230

Green Car Congress

OCTOBER 16, 2013

As reported in a paper in ACS journal Environmental Science & Technology , the results showed that GDI technology has the potential to meet the upcoming California LEV III and US EPA Tier 3 PM mass standard of 3 mg/mi (phasing in over MY2017? Earlier post.) fuel injection timing, number of injections, fuel pressure, injector placement, etc.)

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Standards Emissions Miles Engine 246

Green Car Congress

JUNE 7, 2017

A new study by researchers at the University of Colorado at Boulder projects the emission impacts of the widespread introduction of inexpensive and efficient electric vehicles into the US light duty vehicle (LDV) sector. The database includes joint Corporate Average Fuel Economy (CAFE) and GHG emission standards for LDVs.

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Emissions Economy Gasoline-Electric Coal 150

Green Car Congress

MAY 31, 2017

A joint study by Controlled Power Technologies (CPT) and Austria’s Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9% reduction of NO x in raw engine-out emissions, while retaining the fuel economy and CO 2 benefits of diesel engine technology. —Paul Bloore.

Fuel Economy 150

Fuel Economy Diesel Economy Engine 150

Green Car Congress

MARCH 22, 2018

California can reduce carbon emissions by more than 70 million metric tons by 2030—akin to taking 15 million gasoline-powered cars off the road in one year—by adopting a higher target for its Low Carbon Fuel Standard (LCFS), according to an analysis released by the UK-based research firm Cerulogy.

California 170

California Carbon Clean Cleaning 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. The EU has set a standard for 6 × 10 12 number/km limits between 2014 and 2017, tightening to 6 × 10 11 number/km. Earlier post.). Earlier post.) Earlier post.).

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Gasoline Audi Fuel Engine 304

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.

Fuel Economy 239

Fuel Economy Diesel Economy Gasoline 239

Green Car Congress

JUNE 14, 2011

Plug-in hybrids dominate market penetration in 2025 under CAR scenario IV (62 mpg CAFE standard). Power and Associates to project the technology segmentation necessary to achieve anticipated fuel economy mandates in 2025. The 2010 NRC study, conducted under contract to. the 2008 model year fuel economy ratings.

Fuel Economy 199

Fuel Economy Economy Auto Industry Standards 199

Green Car Congress

JUNE 2, 2014

Solid bars represent low ambient temperature measurements whereas open, dashed bars represent standard temperature measurements. Studies suggest that atmospheric BC particles have a direct radiative forcing second to CO 2. For their study, the Environment Canada/MECA team used two midsize sedans and two compact vehicles.

Environment 230

Environment Exhaust Gasoline Canada 230

Green Car Congress

NOVEMBER 30, 2016

The US Environmental Protection Agency (EPA) has proposed leaving the greenhouse gas (GHG) emissions standards for light-duty vehicle model years 2022-2025 in place, based on its technical analysis that shows automakers are well positioned to meet the targets. l/100 km), if achieved exclusively through fuel economy improvements.

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EPA Standards Light Vehicles 150

Green Car Congress

JULY 23, 2018

Policies to entice consumers away from fossil-fuel powered vehicles and normalize low carbon, alternative-fuel alternatives, such as electric vehicles, are vital if the world is to significantly reduce transport sector carbon pure-emissions, according to a new study. Note the different scaling used in the graphs. McCollum et al.

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Carbon Market Alternative Fuels Vehicles 231

Green Car Congress

MAY 21, 2010

Strengthening the fuel economy of medium- and heavy-duty trucks could create as many as 124,000 jobs in the US by 2030, with all 50 states experiencing net job growth, according to a new report by the Union of Concerned Scientists (UCS) and CALSTART. Improving the average fuel economy of these trucks by 3.7 per gallon fuel price.

Fuel Economy 239

Fuel Economy Economy Fuel Gasoline-Electric 239

Green Car Congress

JULY 12, 2013

In the reported study, Wentzell et al. The initial HNCO estimate did not include potential emissions from gasoline or heavy duty diesel (HDD) engines, both of which far outnumber the LDD vehicles in Canada (. Air quality standards for HNCO do not exist. —Wentzell et al. functional group. —Wentzell et al.

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Exhaust Canada Environment Emissions 207

Green Car Congress

FEBRUARY 5, 2014

Broadly, the study by Stephanie Searle, Francisco Posada Sanchez, Chris Malins, and John German concludes that (a) technical barriers do not prevent the use of higher blends of ethanol, and (b) slow uptake of blends such as E15 and E85 is due to other factors, including high cost, legal and warranty issues, and consumer awareness and acceptance.

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Gasoline Exhaust Water Fuel 230

Green Car Congress

JANUARY 19, 2014

A new study finds that as much as 20–30% of the number of vehicle engine exhaust particles larger than 3 nm may be formed during engine braking conditions—i.e., The study also indicates that the particles were non-volatile, formed before the catalyst, and originating from engine oil. . Credit: ACS, Rönkkö et al.

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Exhaust Engine Fuel Greece 319

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. Policy support.

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Fuel Economy Economy Global Fuel 231

Green Car Congress

JULY 16, 2009

The third phase of a SDG&E multi-year in-use study on plug-in hybrid electric vehicles showed that plug-in hybrids offer significant improvements in gas mileage and reductions in emissions when compared with standard hybrid-electric and gasoline internal combustion engine (ICE) vehicles. One of SDG&E’s converted PHEVs.

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Gasoline-Electric San Diego Gasoline PHEV 186

Green Car Congress

SEPTEMBER 24, 2014

However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. The study investigated the the WTW energy and emissions from the use of natural gas in CNGVs with a range of CNGV fuel economy and natural gas compressor efficiency.

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Gas-Electric Gas Fuel Economy PHEV 345

Green Car Congress

JANUARY 2, 2019

Data presented as mean ± standard deviation, N=3. The study found that higher ethanol blends—i.e., The study found that higher ethanol blends—i.e., A fuel economy penalty was also observed for lower energy content E30 and E78 blends compared to both E10 fuels. Yang et al. —Yang et al. 8b02206.

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Pollution Fuel Vehicles Emissions 255

Green Car Congress

NOVEMBER 8, 2015

Gasoline direct injection (GDI) is a strategy to improve fuel efficiency that is rapidly gaining market acceptance. Nevertheless, emission mandates are coaxing OEMs to employ fuel-efficient technologies such as gasoline direct injection, which in turn will drive the need for complementary after-treatment systems like GPFs.

Gasoline 150

Gasoline 2020 North America Exhaust 150

Green Car Congress

SEPTEMBER 21, 2012

Tax credits and gasoline prices necessary for various electric vehicles to be cost-competitive with conventional vehicles at 2011 vehicle prices. The electric vehicles that are the focus of this study fall into two broad classes: plug-in hybrid electric vehicles and battery-electric vehicles. Source: CBO. Click to enlarge.

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Tax Credit Gasoline Tax Gasoline-Electric 252

Green Car Congress

JUNE 1, 2017

Traffic contributes more to NO x emissions in Europe than previously thought, according to a new study by a team at the University of Innsbruck. A large number of new studies have recently been published suggesting that emission levels from test stands have to be adjusted upwards. —Karl et al.

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Europe Diesel Emissions Pollution 150

Green Car Congress

SEPTEMBER 3, 2010

A new economic analysis in an issue brief from the Consumer Federation of America (CFA) is recommending that the Obama Administration set a fleet-wide car and light truck fuel economy standard of 60 mpg (3.92 The Obama Administration will release a Notice of Intent for 2017-2025 light duty fuel economy standards on 30 September.

MPG 225

MPG Standards America Fuel Economy 225

Green Car Congress

MAY 17, 2012

In response, the US Department of Energy (DOE) and the Renewable Fuels Association charged that the study was fundamentally flawed. The study claims mechanical damage and suggests degraded engine performance, emissions and durability on conventional vehicles from the use of E15 or E20 fuel. We believe the study is significantly flawed.

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2001 2009 Engine Industrial 199

Green Car Congress

MAY 25, 2014

Carbon dioxide recycling in the methanol economy Source: Olah et al. The study evaluated costs and benefits from a life cycle perspective in order to compare various raw materials for producing methanol and in order to reflect the potential benefits of methanol obtained from CO 2. 2009, earlier post. Click to enlarge.

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Transportation CO2 Carbon Hydrogen 244

Green Car Congress

DECEMBER 5, 2016

In addition, RNG use could be much higher if the LCFS credits were combined with US federal RIN credits (Renewable Identification Number, part of the Renewable Fuels Standard, RFS), the study found. bcf/yr (≈ 750 million gasoline gallons). California has the potential to produce approximately 90.6 from waste-water treatment, 1.75

Gas 150

Gas Renewable California Transportation 150

Green Car Congress

FEBRUARY 20, 2015

Switching from diesel fuel to natural gas may hold advantages for the US heavy-duty trucking fleet, but more needs to be done to reach the full environmental benefits, according to a new white paper released by the Institute of Transportation Studies at the University of California, Davis, and Rice University.

Gas 150

Gas Fleet Economy Davis 150

Green Car Congress

DECEMBER 12, 2017

million new vehicles sold in the United States recommend, but do not require, premium gasoline. The trend toward recommending or requiring higher-octane fuel continues to rise as manufacturers work toward meeting stringent CAFE (Corporate Average Fuel Economy) standards. Last year, nearly 1.5 improvement.

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Fuel Fuel Economy Gasoline Vehicles 150

Green Car Congress

NOVEMBER 8, 2011

those which do not favor one technology over another through consumer incentives, federal subsidies, testing standards or technology-specific credits. Current fuel economy policy clearly demonstrates this fact. —“The Case for Technology Neutral Public Policy in Fuel Economy Debate”.

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Standards Transportation Fuel Economy MPG 247

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