Green Car Congress

APRIL 9, 2019

A study by a team from North Carolina State University, with colleagues from the Urban Air Initiative and 3DATX Corporation, has shown that non-FFVs (flexible-fuel vehicles) can adapt to a mid-level ethanol blend—specifically E27. The study was commissioned by the Urban Air Initiative.

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Vehicles Emissions North Carolina Gasoline 284

Green Car Congress

MARCH 16, 2017

A 50:50 by volume blend of conventional Jet A aviation fuel and an aviation biofuel made from Camelina reduces soot particle number and mass emissions from the aircraft by 50 to 70% compared to conventional fuel, YYYY according to a new study published in the scientific journal Nature.

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Climate Emissions DC Alternative Fuels 210

Green Car Congress

FEBRUARY 9, 2017

Diesel-powered commuter trains may expose their passengers to elevated levels of certain black carbon and ultrafine particles, especially in the coach directly behind the locomotive, according to a new study from researchers at the University of Toronto. A paper on the study is published in the journal Atmospheric Environment.

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Exhaust Diesel Power Powered 150

Green Car Congress

JULY 15, 2017

In a study published in the ACS journal Energy & Fuels , a team from the University of Vermont reports that particulate matter from the combustion of biodiesel blends may be 50–80% less toxic per unit PM mass emitted than PM from petroleum diesel, depending on feedstock. PM-normalized DTT Activity for biodiesel exhaust PM.

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B0 Diesel Exhaust Vermont 186

Green Car Congress

AUGUST 29, 2013

Depending on the timing of Tier 4-equivalent legislation, China has the potential to rival both markets by 2023 and sales of NRMM (non-road mobile machinery) with advanced exhaust after-treatment could surpass Europe and North America by 2023. 2017 would see a global SCR vehicle parc of 1 million growing towards 7 million by 2023.

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2017 North America Exhaust America 218

Green Car Congress

MAY 23, 2017

Researchers at Imperial College London, working with colleagues from King’s College London and University of British Columbia, have demonstrated a mechanism by which diesel exhaust particles directly affect the lungs to initiate symptoms such as a tightening of the airways and cough. Resources.

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Exhaust Diesel Pollution Guinea 170

Green Car Congress

JUNE 22, 2017

The findings of a study by researchers at Carnegie Mellon University, with colleagues at UC Berkeley, suggest that changing atmospheric NO x levels over the next two decades will likely significantly reduce the effectiveness of stricter new gasoline vehicle emissions standards in reducing concentrations of secondary organic aerosol (SOA).

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Cleaner Los Angeles Exhaust Gasoline 191

Green Car Congress

OCTOBER 16, 2013

PM mass emissions rates for the FTP and US06 drive cycles as function of vehicle mileage. The EU has already set a standard for 6 × 10 12 number/km limits between 2014 and 2017, tightening to 6 × 10 11 number/km.). These efforts are yielding reductions in PM emissions, but this is still a work in progress. Click to enlarge.

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Standards Emissions Miles Engine 246

Green Car Congress

MAY 24, 2017

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances. Click to enlarge.

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Engine Exhaust Gasoline Diesel 271

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.

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Fuel Economy Diesel Economy Engine 150

Green Car Congress

JULY 17, 2017

Exposure to ozone, long associated with impaired lung function, is also connected to health changes that can cause cardiovascular disease such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults. The team studied 89 healthy adults living in Changsha City, China, for one year. 2017.2842.

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Ozone Pollution Connect Connected 170

Green Car Congress

MARCH 31, 2015

Tenneco is leveraging its expertise in diesel particulate filter (DPF) technology to develop gasoline particulate filters for 2017 model year light vehicles. Gasoline particulate filters effectively control particulate emissions under all operating conditions.

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Gasoline Emissions Czech Republic Exhaust 150

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. It has been a challenge to determine how much each polluter contributes to the emission output. The majority of the emissions is caused by diesel cars. —Thomas Karl.

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Europe Diesel Emissions Pollution 150

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

DECEMBER 6, 2017

Further, findings of a study led by Imperial College London researchers of more than half a million infants in the city suggests that pregnant mothers exposed to air pollution from London’s busy roads are more likely to give birth to babies that are underweight or smaller than they should be. This open-access paper is published in The BMJ.

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London Pollution Environment Exhaust 150

Green Car Congress

JULY 23, 2017

A new study, part of the Atlanta Commuter Exposures (ACE) Study, has assessed on-roadway in-cabin particulate pollution (PM 2.5 ) collected from scripted rush hour commutes on highways and on non-highway side streets. The chemical composition of exhaust changes very quickly, even in the space of just a few feet. 2017.06.044.

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Pollution Atlanta Cars Exhaust 150

Green Car Congress

OCTOBER 16, 2018

The engine is designed to meet stringent Stage 5 subsonic noise requirements and beat current emissions standards. A special, non-augmented supersonic exhaust system. GE’s Affinity features: Efficient performance throughout the full flight envelope with a high-altitude service ceiling of 60,000.

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Design Engine Exhaust 2018 236

Green Car Congress

JULY 13, 2017

A paper on the Jülich study is published in the journal Fuel. The last blend—a suitable n-alkane cut mixed with OME 3-5 —has the greatest potential for increasing engine efficiency and reducing pollutant emissions. Exhaust gas values were also greatly improved by the use of electrofuels. Earlier post.) Schemme et al.

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Diesel Fuel Power Powered 150

Green Car Congress

MAY 1, 2017

Our 2018 product line demonstrates an important milestone in product development for Cummins Westport, creating a move to zero emissions strategy for our customers and industry. The new ISX12N and L9N will be the lowest certified NO x emission engines available in North America. —Rob Neitzke, President of Cummins Westport.

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2018 Gas Engine EPA 170

Green Car Congress

NOVEMBER 8, 2015

However, unlike conventional gasoline engines, gasoline direct injection engines produce particulate matter, as do diesels, and emission controls will become an issue the technology must address as standards for particle mass tighten, and also as standards for particle numbers emerge. and fuel properties. Earlier post.)

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Gasoline 2020 North America Exhaust 150

Green Car Congress

OCTOBER 30, 2017

The results reflect a highly dynamic catalytic converter surface that reacts extremely sensitively to external impacts, such as exhaust gas composition. In their study, the researchers demonstrated how sensitively the state of platinum reacts to the composition and the temperature of the exhaust gas. 56, 13078 doi: 10.1002/anie.201707842.

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Convert Kits Exhaust Diesel 150

Green Car Congress

MAY 26, 2022

The direct injection two-stroke engine could be a very promising and interesting option for hydrogen combustion to achieve zero NO x because of its advantages of high-power density and inherent much lower NO x emissions. The only criteria emission of concern is NO x. If hydrogen combustion is sufficiently lean—i.e.,

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Hydrogen Engine Saudi Arabia Universal 353

Green Car Congress

SEPTEMBER 10, 2014

MicroPilot is based on the use of smaller diesel pilot injections representing 1-2% of the total fuel to reduce NO x emissions by more than 80%, while also reducing CO 2 emissions. This first phase of the program is targeted to commence in September 2014 and will last six months. —Clean Air Power CEO John Pettitt.

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Clean Cleaning Gas Engine 210

Green Car Congress

JUNE 3, 2017

In a new study, a team from UCLA, with colleagues from the California Air Resources Board (ARB) and West Virginia University, measured total particle number emission factors (PNEFs) from six newly certified heavy-duty vehicles (HDVs) powered by diesel and CNG totaling over 6,800 miles of on-road operation in California.

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Diesel California West Virginia Virginia 150

Green Car Congress

SEPTEMBER 21, 2017

Members of Tulane University’s Shantz Lab will collaborate with scientists from chemical science company SACHEM to develop next-generation materials to reduce automotive emissions. The Tulane team will now test the ability of SSZ-39 in vehicles’ selective catalytic reduction (SCR), the system in cars that reduces harmful emissions.

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2012 Emissions 2017 Convert 150

Green Car Congress

MAY 30, 2017

Although today’s passenger vehicle engines are cleaner and more fuel efficient, GDI exhaust can still contain significant numbers of nanoscopic soot particles that are small enough to penetrate the lungs and bloodstream. Particulate matter emissions are presently a concern in gasoline fueled direct-injection spark-ignition (DISI) engines.

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Gasoline Engine Production Fuel 150

Green Car Congress

SEPTEMBER 11, 2015

The problem with this configuration is that neither the combustion process nor the values for efficiency and emissions can be optimized. A direct injection stratified natural gas engine could reduce CO 2 emissions by 35% compared to a contemporary port injection gasoline engine, the team said. By 2025, this limit could be even lower.

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Gas Engine Gasoline Downsizing 150

Green Car Congress

MARCH 22, 2017

The resulting trajectory would reduce CO 2 emissions by half and increase fuel economy by more than 60% from 2016 through 2030. Based on a detailed analysis of the efficiency technologies used to achieve these lower CO 2 emission levels, the ICCT study concludes that vehicle prices would increase by about 5% by 2030.

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Fuel Economy Economy Fuel Price 210

Green Car Congress

JANUARY 11, 2017

Volkswagen AG has agreed with the US government to resolve criminal and federal environmental and other civil claims against the company relating to the diesel emissions cheating débâcle. 2017, in Miami during a visit to the United States and appeared in federal court there on Monday. Cox of the Eastern District of Michigan.

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United States Diesel EPA Emissions 150

Green Car Congress

OCTOBER 11, 2014

On-road NO x emission levels of Euro 6 diesel cars in Europe are on average about seven times higher than the NO x limit set by the Euro 6 emission standard, according to a new report published in Berlin by the International Council on Clean Transportation (ICCT). Earlier post.). Earlier post.).

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Diesel Emissions West Virginia 2014 344

Green Car Congress

MARCH 7, 2017

At the 2017 Geneva International Motor Show, Audi is presenting the Audi Q8 sport concept, a new performance-oriented take on the Q8 concept study introduced at the 2017 Detroit Motor Show. The electric powered compressor supports the turbochargers at times when the exhaust gas is insufficient for rapid development of power.

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Audi Concept Hybrid Gas-Electric 150

Green Car Congress

SEPTEMBER 25, 2012

Due to the new findings of this study and the high safety demands at Mercedes-Benz, Daimler says that it will not use this chemical in its products. In the new real-life test scenario, the refrigerant is dynamically dispersed at high pressure near hot components of the test vehicle’s exhaust system. Earlier post.).

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International 2009 Legal Climate 225

Green Car Congress

NOVEMBER 28, 2009

The Clean Sky JTI is a major public/private partnership to develop technology by 2015 that can reduce aviation CO 2 emissions by 40%; NO x emissions by 60%; and noise by 50%. The Clean Sky initiative will run until 31 December 2017. Contribution to the study of the air intake and exhaust integration into a tiltrotor nacelle.

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Clean Cleaning Green 2009 186

Green Car Congress

JULY 14, 2017

A new study by an international team led by researchers from the Paul Scherrer Institute (PSI) in Switzerland has found that modern diesel passenger cars equipped with diesel particulate filters (DPFs) emit fewer carbonaceous particulates than gasoline-powered vehicles. The open-access study is published in the journal Scientific Reports.

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Gasoline Diesel Cars Emissions 218

Green Car Congress

DECEMBER 15, 2017

To improve fuel efficiency, advanced combustion engines are being designed to minimize the amount of waste heat in the exhaust. As a result, future generations of exhaust after-treatment catalysts must perform at temperatures that are 100 °C lower than current catalysts. —Nie et al. Resources.

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Exhaust New Mexico Mexico Washington 150

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines.

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Fleet Engine Global Fuel Economy 207

Green Car Congress

MARCH 31, 2017

Vehicle tailpipes are a more important source of ammonia’s contribution to urban air pollution than is agriculture, according to a study by researchers from the US and China. The presence of NH 3 in vehicle exhaust greatly enhances the formation and growth of secondary inorganic aerosols. ppbv/ppmv).

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Vehicles Emissions Houston Universal 150