Exhaust, Ozone, Study and Technology

Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

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. Source: The ICCT.

Ozone

Ozone 2015 2010 Exhaust

Japan, China researchers develop plasma-assisted MnO2 filter that produces zero-NO2, -SO2 diesel exhaust

Green Car Congress

MARCH 8, 2019

This research, published in the journal Separation and Purification Technology , shows that ozone can be used to remove not only SO x but also NO x from fossil fuel combustion exhaust streams. In our previous study, we found that MnO 2 can absorb not only SO 2 but also NO 2 simultaneously. Osaka et al.

Exhaust

Exhaust Ozone Japan Diesel

HEI launches two new non-tailpipe particulate emission studies

Green Car Congress

JANUARY 8, 2023

The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. The new studies are: Improved Characterization of the Real-World Contributions and Impacts of Non-tailpipe Particulate Matter Emissions ,” led by Greg Evans, University of Toronto.

Emissions

Emissions Pollution Exhaust London

CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Green Car Congress

JULY 18, 2022

The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). The study used two fuels—an E10 and E15.

Fuel Economy

Fuel Economy Economy Fuel Ozone

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

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.) —ACES report.

Exhaust

Exhaust Diesel Engine 2007

Study: curbing diesel emissions could reduce mortality rates in big cities

Green Car Congress

OCTOBER 1, 2019

Freight transportation is a pillar of the US national economy, but while long-haul trucks account for less than 6% of the vehicle miles traveled over US highways, they account for about 40% of the emissions of air polluting particulate matter and about 55% of nitrogen oxides, the precursor to ozone in the atmosphere, the study said.

Emissions

Emissions Diesel Ozone United States

The importance of considering non-exhaust traffic emissions; the role of EVs

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.

Exhaust

Exhaust Emissions Belgium Gasoline-Electric

Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

Green Car Congress

AUGUST 21, 2009

Reducing emissions of black carbon soot and ground-level ozone would quickly make a considerable dent in the climate change problem and would also contribute to public health and protect crop yields, according to an essay in the September/October issue of Foreign Affairs. Besides a danger to breathe, ozone lowers crop yields.

Climate Change

Climate Change Ozone Climate Carbon

Ford researchers report detailed study of the effect of different ethanol blend levels on emissions from FFVs

Green Car Congress

DECEMBER 23, 2013

A team at Ford Motor Company’s Research and Innovation Center in Dearborn conducted a detailed study of the effect of ethanol blend level in emissions, using a 2006 model Mercury Grand Marquis flexible fuel vehicle (FFV) operating on E0, E10, E20, E30, E40, E55, and E80 on a chassis dynamometer. Engine-out exhaust contains typically 1?3%

Emissions

Emissions Ford Exhaust Engine

Study finds air quality models significantly underestimate traffic as source of NOx in Europe

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.

Europe

Europe Diesel Emissions Pollution

CICERO-led study finds global warming effect of leaked hydrogen almost 12x stronger than CO2

Green Car Congress

JUNE 12, 2023

A study led by Norwegian climate center CICERO has found that the global warming effect of leaked hydrogen is almost 12 times stronger than that of CO 2. Unlike exhaust from burning coal and gas that contains CO 2 , burning hydrogen emits only water vapor and oxygen. Sand et al. Hydrogen interacts with various biogeochemical processes.

Hydrogen

Hydrogen Global Ozone CO2

CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Green Car Congress

DECEMBER 4, 2013

The study, the Phase 2 Report of the comprehensive Advanced Collaborative Emissions Study (ACES). The study, the Phase 2 Report of the comprehensive Advanced Collaborative Emissions Study (ACES). The Phase 2 ACES study was conducted by the Southwest Research Institute in San Antonio, Texas, under the oversight of the CRC.

Diesel

Diesel Emissions 2004 San Antonio

Reduction in diesel carbonyl emissions using F-T fuel from coal

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. In the Tianjin study, they team fueled a four-cylinder light-duty diesel engine fueled with CFT and DF, identifying 13 individual carbonyl compounds in the exhaust.

Coal

Coal Diesel Emissions Fuel

Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

Green Car Congress

JANUARY 28, 2014

Five technology paths for very-low-NO x and GHG emissions from heavy-duty natural gas engines. SoCalGas), showcases the technologies currently under development that could deliver near-zero-emission heavy-duty natural gas engines by the end of this decade. Click to enlarge. Click to enlarge. Background.

Climate

Climate Gas Emissions California

Study links air pollution to increased emergency department visits for heart and lung disease

Green Car Congress

NOVEMBER 11, 2018

Jenna Krall led the research with colleagues from Emory University, Georgia Institute of Technology, and the University of Pittsburgh. They found that exposure to pollutants such as ground-level ozone and nitrogen oxides, which are created from burning fossil fuels, led to increased ED visits. nitrogen oxides) and secondary (e.g.

Pollution

Pollution St. Louis Dallas Atlanta

Climate Expert: Don't Call It Geoengineering

Cars That Think

NOVEMBER 16, 2021

Everyone solemnly agreed, again, to follow the science, which has shown in exhaustive detail that humanity will suffer from heat, fire, floods, and droughts if the world warms beyond 1.5° They'd hoped this past year to simply test the technology platform, not to actually do any kind of experiments with spraying reflective particles.

Climate

Climate Climate Change Mariner Pollution

National Academies release third review of the 21st Century Truck Partnership

Green Car Congress

SEPTEMBER 14, 2015

The Partnership aims to “ accelerate the introduction of advanced truck and bus technologies that use less fuel, have greater fuel diversity, operate more safely, are more reliable, meet future emissions standards, and are cost effective.”

MPG

MPG Miles 2009 Fuel

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

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.

Fleet

Fleet Engine Global Fuel Economy

Berkeley study identifies diesel as main source of vehicular secondary organic aerosols

Green Car Congress

OCTOBER 23, 2012

Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The study determined that, depending on a region’s fuel use, diesel exhaust is responsible for 65% to 90% of vehicular-derived SOA, with substantial contributions from aromatic and aliphatic hydrocarbons. Gentner et al. Click to enlarge.

Diesel

Diesel Los Angeles Exhaust Gasoline

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Green Car Congress

OCTOBER 20, 2012

A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology.

Pollution

Pollution Diesel Emissions Engine

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Green Car Congress

AUGUST 30, 2009

80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year. The result is more efficient combustion, cooler running engines, lower exhaust temperatures, and increased longevity of engine life. 40 CFR § 80.27

Transportation

Transportation Fuel Renewable Gasoline-Electric

Study finds climate impact of long distance trip can vary by factor of 10 depending upon mode, efficiency and occupancy

Green Car Congress

JUNE 27, 2013

Among the findings of the study, published in the ACS journal Environmental Science & Technology , is that a car’s fuel efficiency and occupancy are central to whether the impact from a trip is as high as from air travel or as low as from train travel. In their study, Borken-Kleefeld et al. Credit: ACS, Borken-Kleefeld et al.

Climate

Climate Diesel Emissions Climate Change

EV Driven

Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

Japan, China researchers develop plasma-assisted MnO2 filter that produces zero-NO2, -SO2 diesel exhaust

HEI launches two new non-tailpipe particulate emission studies

CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Study: curbing diesel emissions could reduce mortality rates in big cities

The importance of considering non-exhaust traffic emissions; the role of EVs

Reducing Black Carbon Emissions and Ground-Level Ozone Would Provide Immediate Benefit Against Climate Change

Ford researchers report detailed study of the effect of different ethanol blend levels on emissions from FFVs

Study finds air quality models significantly underestimate traffic as source of NOx in Europe

CICERO-led study finds global warming effect of leaked hydrogen almost 12x stronger than CO2

CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Reduction in diesel carbonyl emissions using F-T fuel from coal

Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

Study links air pollution to increased emergency department visits for heart and lung disease

Climate Expert: Don't Call It Geoengineering

National Academies release third review of the 21st Century Truck Partnership

Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Berkeley study identifies diesel as main source of vehicular secondary organic aerosols

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Study finds climate impact of long distance trip can vary by factor of 10 depending upon mode, efficiency and occupancy

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