Green Car Congress

APRIL 29, 2018

A study by researchers from the National University of Singapore (NUS) and the University of São Paulo revealed that a beltway constructed to divert heavy-duty diesel vehicles traffic in the Brazilian city of São Paulo improved air quality and public health in the city. —He et al.

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Diesel Singapore Pollution London 199

Green Car Congress

APRIL 18, 2016

A new study by a team from the University of Edinburgh and independent engineering company INNAS BV has found that, when factoring in the additional weight and non-exhaust PM factors, total PM 10 emissions from electric vehicles (EVs) are equal to those of modern internal combustion engine vehicles (ICEVs). Click to enlarge.

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Exhaust Emissions Gasoline-Electric 2016 150

Cars That Think

FEBRUARY 27, 2024

Diesel cars are a popular choice for those looking to buy a used vehicle in Asia, Europe, and elsewhere. After all, diesel cars cost less to maintain, burn less fuel, and have a longer engine life. To reduce emissions, diesel vehicles use filters that catch exhaust particles and other contaminants.

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Carbon Diesel Emissions Bangladesh 103

Green Car Congress

OCTOBER 24, 2016

A research team from Empa (Swiss Federal Laboratories for Materials Science and Technology) and the University of Applied Sciences Bern, Laboratory for Exhaust Emission Control, reports that ethanol blending appeared to reduce genotoxic emissions from a flex-fuel Euro-5 gasoline direct injection (GDI) vehicle (a Volvo V60 with a 1.6

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Gasoline Emissions Exhaust Vehicles 150

Green Car Congress

JUNE 2, 2014

Although gasoline direct injection engines (GDI) are a favorable technology for reducing fuel consumption and greenhouse gas emissions, recent studies have shown that GDI vehicles could emit more PM than traditional PFI (gasoline port fuel injection) vehicles as well as heavy-duty diesel trucks equipped with diesel particulate filters.

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Environment Exhaust Gasoline Canada 230

Green Car Congress

MAY 28, 2021

If a ban were introduced on the sale of new gasoline and diesel cars, and they were replaced by electric cars, the result would be a significant reduction in lifecycle carbon dioxide emissions primarily due to reduced tailpipe CO 2 emissions, according to a new lifecycle study by researchers at Chalmers University of Technology, Sweden.

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Emissions Carbon Manufacturer Sale 259

Green Car Congress

APRIL 13, 2012

Global-mean temperature change caused by car exhaust emitted from gasoline and diesel engines specified in the previous and upcoming European vehicle emission standards (EURO 3, 4, 5, and 6). However, previous studies have shown more prolonged warming due to diesel cars under various conditions. Click to enlarge.

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Climate Gasoline Diesel Engine 223

Green Car Congress

AUGUST 17, 2012

Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Mullite is not only easier to produce than platinum, but also better at reducing pollution in diesel engines. Kyeongjae Cho. CO 2 + 2NO, NO 2 + C?CO

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Exhaust Diesel Dallas Conversion 240

Green Car Congress

APRIL 17, 2015

A team from Honda R&D in Japan reports using a gasoline-diesel dual-fuel method to control ignition timing and combustion duration. Premixed charge compression ignition technology for diesel engines has been attracting increasing interest in recent years because of its ability to reduce nitrogen oxide emissions.

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Gasoline Honda Diesel Fuel 150

Green Car Congress

FEBRUARY 15, 2016

BMEL’s central project-coordinating agency in the area of renewable resources, is funding a 3-year study of oxymethylene ethers (OME) as clean diesel fuels with €800,000 (US$894,000). As diesel fuels, they reduce the emission of carbon black and NO x. A promising concept for diesel fuels is the use of oxymethylene ethers.

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Diesel Clean Cleaning Germany 150

Green Car Congress

FEBRUARY 8, 2016

Among their findings was that E20 offers higher peak load capability and thermal efficiency than gasoline. The process involves introduction of a low reactivity fuel into the cylinder to create a well-mixed charge of low reactivity fuel, air and recirculated exhaust gases.

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Gasoline Wisconsin Exhaust Emissions 150

Green Car Congress

MAY 2, 2016

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al. Background.

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Exhaust Emissions Belgium Gasoline-Electric 150

Green Car Congress

JULY 12, 2013

Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. Automobile exhaust is also a known source of inorganic acids such as nitric (HNO 3 ) and nitrous (HONO) acids.

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Exhaust Canada Environment Emissions 207

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.

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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. —Paul Bloore.

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Fuel Economy Diesel Economy Engine 150

Green Car Congress

FEBRUARY 14, 2018

The four-door coupé brings the show car design of the prologue studies ( earlier post ) to production. TFSI (gasoline) or a 3.0 TDI (diesel) engine. The B-cycle combustion process (a modified Miller cycle, earlier post ), which is designed specifically for part load, makes the V6 gasoline engine particularly efficient.

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Audi Gasoline Engine Standards 210

Green Car Congress

DECEMBER 14, 2015

Researchers from Tsinghua University and Peking University have investigated the effects of fuel properties on particulate emissions gasoline direct injection engines (GDI). The study results, reported in the journal Fuel , demonstrated that the fuel composition has a significant on particulate emissions from GDI engines. Storey et al.

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Gasoline Emissions Engine Fuel 150

Green Car Congress

AUGUST 4, 2011

However, while Mazda plans to offer hybrid vehicles in the medium-term, its engineers are pushing hard to increase the efficiencies of both the gasoline and diesel platforms, moving toward what they call “the ideal Internal Combustion Engine.” Energy balance in an internal combustion engine. air-to-fuel ratio. pumping loss.

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Mazda Engine Gasoline Diesel 322

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.

Gasoline 150

Gasoline Emissions Czech Republic Exhaust 150

Green Car Congress

SEPTEMBER 4, 2013

The Ricardo-led Advanced Diesel Electric Powertrain (ADEPT) project will apply 48V “intelligent electrification” concepts, mild hybridization and waste heat recovery in a Ford Focus diesel demonstrator. —Ricardo chief technology and innovation officer Professor Neville Jackson.

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Fuel Economy Diesel Economy Gasoline 239

Green Car Congress

FEBRUARY 5, 2016

A study of emissions from gasoline direct injection (GDI) vehicles in an urban near-road environment in Toronto over a wide range of weather conditions (February 2014 to January 2015) found that—other than for NO x and CO—the GDI engines had elevated emissions compared to the Toronto fleet.

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Environment Emissions Exhaust 2014 150

Green Car Congress

AUGUST 22, 2017

According to a new study by Bosch, the use of e-fuels—synthetic fuels based on renewable energy—in Europe by 2050 as a scheduled supplement to electrification could save up to 2.8 In this way, the cost of exhaust-gas treatment can be reduced, Bosch adds. The same applies to the existing combustion-engine expertise.

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Emissions Fuel CO2 Gasoline-Electric 210

Green Car Congress

MAY 29, 2014

Other research has shown that carbonyls directly influence physiological response to diesel exhaust particles and can also contribute to secondary organic aerosol formation. Kleeman (2008) “Carbonyl Emissions from Gasoline and Diesel Motor Vehicles,”. Jakober, 2008). 133:115–122, doi: 10.1016/j.fuel.2014.05.025.

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Coal Diesel Emissions Fuel 210

Green Car Congress

NOVEMBER 19, 2014

The X Mini 70cc rotary gasoline engine. HEHC is an improved thermodynamic cycle optimized for fuel efficiency that combines features of four existing cycles: high compression ratio (Diesel); constant volume (isochoric) combustion (Otto); over-expansion to atmospheric pressure (Atkinson); and internal cooling with air or water (Rankine).

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Gasoline Engine Power Powered 379

Green Car Congress

NOVEMBER 24, 2015

Achates Power, the developer of a family of two-stroke compression-ignition opposed-piston engines ( earlier post ), has been selected by APRA-E under its OPEN 2015 solicitation ( earlier post ) for an award of more than $9 million to develop a multi-cylinder opposed piston engine operating with compression ignition that uses gasoline as the fuel.

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Gasoline Engine Power Powered 150

Green Car Congress

FEBRUARY 9, 2012

Their SOFC system can be operated without consuming the anode fuel (a reductant) at temperatures near that of the engine exhaust to eliminate the need for reductant refilling and extra heating. The NO x concentration in the exhaust of an automotive gasoline engine with spark ignition can be as high as 4000 ppm.

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Exhaust Engine Emissions Gas-Electric 225

Green Car Congress

AUGUST 23, 2013

Audi of America introduced four new TDI clean diesel models for the US market this year—the Audi A8, A7, A6, Q5—along with an updated Q7 TDI, all equipped with a second-generation 3.0L V6 TDI diesel engine. Not only is it more powerful and contains up to 30% better efficiency than traditional gasoline, etc.

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Diesel Audi Sale Fuel Economy 366

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. The majority of the emissions is caused by diesel cars.

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Europe Diesel Emissions Pollution 150

Green Car Congress

AUGUST 22, 2015

Neste, currently largest producer of renewable drop-in fuels (primarily diesel) with its NEXBTL platform ( earlier post ), has filed a patent ( US20150144087 ) on a gasoline composition (and the method for making it) comprising up to 20 vol% (preferably from about 10-15 vol.%), of paraffinic bio-hydrocarbons originating from the NEXBTL process.

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Gasoline Fuel Renewable Emissions 150

Green Car Congress

NOVEMBER 1, 2010

Highly turbocharged alcohol-fueled direct-injection spark-ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.

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Diesel Engine Downsizing Fuel 218

Green Car Congress

MARCH 10, 2012

A new study by researchers from Stockholm University concludes that automobile tires may be a potential previously unknown source of carcinogenic dibenzopyrenes—a type of high molecular weight polycyclic aromatic hydrocarbon (PAH)—to the environment. Non-exhaust traffic sources of particles. —Sadiktsis et al.

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Environment Automobile Exhaust Oil 353

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. Their study is published in the ACS journal Environmental Science & Technology. The main goal of this study is to evaluate long-term trends (1990?2010) Click to enlarge.

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Emissions Los Angeles Motor Motors 247

Green Car Congress

FEBRUARY 4, 2013

During its recent Innovation Day presentations ( earlier post ), PSA Peugeot Citroën announced that it will commercialize high-efficiency gasoline engines featuring dedicated exhaust gas recirculation (D-EGR), derived from a collaborative program with SwRI in the US. Click to enlarge. PSA has filed for two patents on its work.

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Gasoline 2018 Engine Commercial 268

Green Car Congress

NOVEMBER 8, 2015

Gasoline direct injection (GDI) is a strategy to improve fuel efficiency that is rapidly gaining market acceptance. Several OEMs are working on combustion optimization and injection technologies that reduce particulate emissions in engines rather than through exhaust after-treatment. and fuel properties. Earlier post.)

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Gasoline 2020 North America Exhaust 150

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. —Saffaripour et al.

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Gasoline Canada Light Engine 150

Green Car Congress

MAY 17, 2019

In a study on the effect of exhaust particles from aircraft turbine engines on human lung cells, Swiss researchers have found that cells reacted most strongly to particles emitted during ground idling. For around 20 years, studies have shown that airborne particulate matter negatively affects human health.

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Engine Emissions Switzerland Gasoline 321

Green Car Congress

SEPTEMBER 22, 2015

A study by a team from the California Air Resources Board (ARB) has found that the collective cancer risk from exposure to seven toxic air contaminant (TACs) has declined 76% during the period from 1990 to 2012, and linked that result from air quality regulations targeting these TACs. However, in the study DPM is not measured directly.

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California Diesel Emissions Neighborhood 150