Green Car Congress

JANUARY 19, 2014

Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The starting point of engine braking is marked by a vertical green line, and the end point is marked by a vertical red line.

Exhaust 319

Exhaust Engine Fuel Greece 319

Green Car Congress

DECEMBER 6, 2021

Power management company Eaton’s Vehicle Group has demonstrated cylinder deactivation (CDA) as an effective technology for meeting future global emissions requirements for diesel-engine powered commercial vehicles. New emissions regulations spearheaded by the California Air Resources Board (CARB), U.S.

Eaton 221

Eaton Emissions Exhaust Commercial 221

Green Car Congress

NOVEMBER 28, 2013

In 2012, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), classified diesel engine exhaust (DEE) as carcinogenic to humans (Group 1). Diesel Emissions Health' Earlier post.). China, India, Brazil) following with a delay of about 5 to 10 years.

Exhaust 353

Exhaust Diesel Brazil 2000 353

Green Car Congress

MARCH 29, 2021

Power management company Eaton and Tenneco announced a joint development agreement between Eaton’s Vehicle Group and Tenneco’s Clean Air business group to produce an integrated exhaust thermal management system that will enable commercial truck and light vehicle manufacturers to meet upcoming emissions regulations.

Eaton 186

Eaton Exhaust Standards Emissions 186

Green Car Congress

APRIL 1, 2023

The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. In this instance, CARB requested two waivers for regulations relating to heavy duty vehicles and engines.

EPA 210

EPA Grant Standards Emissions 210

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. Robinson, Mark A. Birrell, John J. Wortley, Eric D.

Exhaust 170

Exhaust Diesel Pollution Guinea 170

Green Car Congress

APRIL 23, 2020

developer of Dynamic Skip Fire cylinder deactivation technology ( earlier post ), collaborated on a significant technical demonstration of diesel Dynamic Skip Fire (dDSF) cylinder deactivation. Cummins’ X15 Efficiency Series 6-cylinder diesel engine enhanced with Tula’s diesel Dynamic Skip Fire (dDSF). Cummins Inc.

Diesel 286

Diesel Emissions Exhaust Engine 286

Green Car Congress

MAY 27, 2012

A team of researchers in Germany has found that the mutagenicity of diesel engine exhaust (DEE) is eliminated in the gas phase by a Diesel Oxidation Catalyst (DOC), but only slightly reduced in the particle phase. Diesel engine emissions (DEE) are classified as probably carcinogenic to humans.

Exhaust 231

Exhaust Diesel Gas Emissions 231

Green Car Congress

JUNE 12, 2017

A team from the California Air Resources Board (ARB), in partnership with the City of Sacramento, has characterized the in-use emissions from model year (MY) 2010 or newer diesel, liquefied natural gas (LNG) and hydraulic hybrid diesel engines during real-world refuse truck operation. —Misra et al. gNO x /bhp-hr.

Diesel 231

Diesel Emissions Hybrid Exhaust 231

Green Car Congress

JANUARY 27, 2015

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.)

Exhaust 150

Exhaust Diesel Engine 2007 150

Green Car Congress

APRIL 24, 2018

Researchers from Istituto Motori - CNR in Italy and Eni report in a paper in the journal Fuel that blends of hydrocracked fossil oil (HCK) and Hydrotreated Vegetable Oil (HVO) as diesel fuels deliver fuel consumption (FC) and CO 2 savings based on the NEDC cycle. Its bulk modulus and material compatibility is similar to petroleum diesel.

Diesel 199

Diesel Engine Fuel CO2 199

Green Car Congress

MARCH 5, 2012

In a study of non-metal miners in the US, federal government scientists report that heavy exposure to diesel exhaust increased risk of death from lung cancer. For never-smokers, risk of lung cancer death increased with increasing diesel exhaust exposure. effect of diesel exhaust exposure on lung cancer mortality in.

Exhaust 273

Exhaust Diesel 2012 Los Angeles 273

Green Car Congress

OCTOBER 8, 2012

Researchers in Germany and Finland report the first online measurement of gaseous sulfuric acid (GSA) in the exhaust gas of a modern heavy-duty diesel engine in an effort to quantify the role of low-vapor-pressure gases in the formation of nucleation particles (NUP). Resources. of hydrocarbons) significantly. Pirjola, T.

Exhaust 218

Exhaust Diesel Finland Water 218

Green Car Congress

OCTOBER 9, 2019

Thirty-seven globally prominent scientists representing the International Journal of Engine Research have published an open-access editorial addressing the future of the Internal Combustion Engine, and stressing the importance for continued development of more efficient and even lower-emitting technologies. —Reitz et al.

International 312

International Engine Exhaust Emissions 312

Green Car Congress

MARCH 3, 2012

Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.

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Exhaust Gasoline Diesel Los Angeles 231

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.

Exhaust 240

Exhaust Diesel Dallas Conversion 240

Green Car Congress

MAY 16, 2014

A team at Mississippi State University performed a detailed experimental analysis of diesel–ignited propane dual fuel combustion on a 12.9-liter, liter, six-cylinder, production heavy-duty diesel engine. The gaseous propane was fumigated upstream of the turbocharger air inlet and ignited using direct injection of diesel sprays.

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Diesel Engine Chad Fuel 199

Green Car Congress

AUGUST 11, 2020

The California Air Resources Board will consider the proposed Heavy-Duty Low NO x Omnibus Regulation on 27 August 2020. These vehicles are also significant sources of oxides of nitrogen (NO x ) and particulate matter (PM), contributing nearly 31% of all statewide NOx emissions as well as 26% of total statewide diesel PM emissions.

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Standards Emissions Exhaust California 468

Green Car Congress

MAY 20, 2019

A life-cycle assessment of emissions from domestic and imported liquefied natural gas (LNG), and heavy-fuel oil (HFO) for marine shipping by a team from the University of British Columbia has found that only high-pressure dual-fuel (HPDF) engines robustly reduce well-to-wake GHG emissions by 10% compared with their HFO-fueled counterparts.

Mariner 236

Mariner Engine Fuel Exhaust 236

Green Car Congress

JUNE 8, 2023

There are widespread policy assumptions that the phase-out of gasoline and diesel internal combustion engines will over time lead to much reduced emissions of Volatile Organic Compounds (VOCs) from road transport and related fuels. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g.,

Emissions 397

Emissions Exhaust Cars Ozone 397

Green Car Congress

AUGUST 20, 2016

A team from the University of Vaasa (Finland) and UPM-Kymmene Corporation has examined how the blends of fossil and renewable diesel produced from crude tall oil (CTO) affect the performance and exhaust emissions of the modern common-rail off-road diesel engine. Earlier post.). Neat HB was also studied.

Renewable 150

Renewable Diesel Oil Engine 150

Green Car Congress

AUGUST 13, 2021

The open access paper by Cornell’s Robert Howarth and Stanford’s Mark Jacobson is published in the journal Energy Science and Engineering. For our default assumptions (3.5% Carbon dioxide emissions, including emissions from developing, processing, and transporting the fuels, are shown in orange. The methane leakage rate is 3.5%.

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Hydrogen Gas Coal Exhaust 414

Green Car Congress

FEBRUARY 9, 2012

A team from National Tsing Hua University, Taiwan, reports that a low-temperature solid oxide fuel cell (SOFC) emissions control system for lean-burn engines can simultaneously reduce the high concentrations of NO x and oxidize hydrocarbon (HC) emissions.

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Exhaust Engine Emissions Gas-Electric 225

Green Car Congress

JANUARY 15, 2012

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Manufacturers have responded with different technologies and engine control strategies for compliance. Diesel engines for use in the US are certified on the Federal Test Procedure (FTP) cycle.

Exhaust 218

Exhaust Diesel West Virginia 2007 218

Green Car Congress

DECEMBER 7, 2017

Results of testing on a Euro 6 BMW 320d diesel by the German environmental organization Deutsche Umwelthilfe (DUH), ZDF’s WISO and a software expert point to the use of inadmissible defeat devices, according to DUH. The vehicle must have fully functional exhaust gas cleaning in all normal operating situations.

BMW 207

BMW Diesel Exhaust Emissions 207

Green Car Congress

MARCH 9, 2020

Power management company Eaton has expanded its portfolio of valvetrain solutions for diesel off-highway vehicles to help OEMs reduce emissions and improve fuel economy. This technology enables precise valve lift control through HLA, coupled with engine braking capability, which in turn helps reduce emissions and improve fuel economy.

Eaton 269

Eaton Fuel Economy CO2 Vehicles 269

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. Turbine engine in the testing facility (not running). Image: University of Bern /SR Technics Switzerland AG.

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Engine Emissions Switzerland Gasoline 321

Green Car Congress

DECEMBER 26, 2019

The EPFL system captures CO 2 directly in the trucks’ exhaust system and liquefies it in a box on the vehicle’s roof. The project is being coordinated by the Industrial Process and Energy Systems Engineering group, led by François Maréchal, at EPFL’s School of Engineering. 2019.00143.

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Emissions CO2 Exhaust Carbon 332

Green Car Congress

OCTOBER 29, 2014

The researchers found that biodiesel has many advantages over regular diesel even in a very low blend percentage, including low emissions of particulate matter, combustion elements (mainly sulfur), elemental carbon, and carbon monoxide. Ultra-low-sulfur diesel (ULSD) was used as base fuel.

Exhaust 312

Exhaust Oil Emissions Sodium 312

Green Car Congress

FEBRUARY 5, 2012

Jerald Caton and PhD candidate Junnian Zheng of Texas A&M University report on their use of an engine cycle simulation to evaluate the energy and exergy distribution of various processes in a low temperature combustion (LTC) diesel engine in a paper published in the journal Energy. Junnian Zheng, Jerald A. 2011.12.034.

Diesel 231

Diesel Engine Exhaust Texas 231

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

MARCH 1, 2019

A new study provides the most detailed picture available to date of the global, regional, and local health impacts attributable to emissions from four transportation subsectors: on-road diesel vehicles; other on-road vehicles; shipping; and non-road mobile engines such as agricultural and construction equipment. Together, PM 2.5

Ozone 230

Ozone 2015 2010 Exhaust 230

Green Car Congress

AUGUST 1, 2017

Continental has successfully conducted tests on the synthetic diesel fuel oxymethylene ether (OME) in test vehicles, including its Super Clean Electrified Diesel vehicle presented this year. As diesel fuels, they reduce the emission of carbon black and NO x. We have made most progress with OME for diesel applications.

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Diesel Fuel Exhaust 2016 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.

Environment 230

Environment Exhaust Gasoline Canada 230

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

DECEMBER 4, 2013

2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPA standard and 99% lower than in 2004 engines.

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Diesel Emissions 2004 San Antonio 296

Green Car Congress

DECEMBER 4, 2017

Long Beach Transit (LBT) recently received a $600,000 grant from the Mobile Source Air Pollution Reduction Review Committee (MSRC) of the South Coast Air Quality Management District Near Zero Incentive Program for the purchase of 40 Cummins “near-zero” compressed natural gas (CNG) engines. Earlier post.)

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Long Beach Grant Engine Escape 150