Diesel, Exhaust, Ozone and Resource

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 this study, to improve absorption performance of SO 2 and NO 2 , we added ozone in exhaust gas. Osaka et al. Osaka et al.

Exhaust

Exhaust Ozone Japan Diesel

California adopts comprehensive strategy to meet federal ozone standard over next 15 years

Green Car Congress

SEPTEMBER 23, 2022

The California Air Resources Board today approved a statewide plan for attaining the federal health-based standard for ozone, typically experienced as smog. The 2022 State Implementation Plan Strategy identifies the state’s control strategy for meeting the federal 70 parts per billion, 8-hour ozone standard over the next 15 years.

Ozone

Ozone Standards California Pollution

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

UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

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

Emissions Exhaust Cars Ozone

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

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.) Earlier post.)

Exhaust

Exhaust Diesel Engine 2007

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. lower ozone formation potential of the carbonyl compounds present than DF under the identical operating conditions. Jakober, 2008). CFT had 16.5–44.1%

Coal

Coal Diesel Emissions Fuel

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

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

Green Car Congress

DECEMBER 4, 2013

Investigators tested heavy-duty diesel engines from the three major manufacturers of these engines (Cummins, Detroit Diesel, and Volvo), and subjected them to well-established federal test procedures, and to a much more rigorous 16-hour operation cycle designed especially for ACES. Diesel Emissions Engines Heavy-duty'

Diesel

Diesel Emissions 2004 San Antonio

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

Study provides more insight into air pollution mechanisms that cause cardiovascular diseases

Green Car Congress

AUGUST 24, 2018

course, fine, ultrafine particles) and gaseous pollutants such as ozone, on vascular function. Key research questions focused on components of air pollution (particulate matter, ozone, nitrogen dioxide, carbon monoxide, and sulfur dioxide) that are particularly damaging to the cardiovascular system and mechanisms that damage the vessels.

Pollution

Pollution Insight Ozone Cleveland

MIT team proposes SCR emission control for hybrid aviation turbines; reducing NOx by 95%

Green Car Congress

JANUARY 15, 2021

At cruising altitude, airplanes emit a steady stream of NO x into the atmosphere, where the chemicals can linger to produce ozone and fine particulates. Previous research has shown that the generation of these chemicals due to global aviation results in 16,000 premature deaths each year. increase in block fuel burn. Speth, Sebastian D.

MIT

MIT Emissions Hybrid Gas-Electric

California ARB Expands Assistance Program for Truckers to Reduce Diesel Emissions

Green Car Congress

MAY 20, 2010

The California Air Resources Board approved changes to an existing $28 million financial assistance program this week that will significantly help more California independent truckers qualify for the purchase of a cleaner-running vehicle. VIP is part of the state’s overall plan to cut toxic diesel emissions 85 percent by 2020.

California

California Diesel Emissions Cleaner

Chevron fined $422,500 for 3 instances of non-compliant fuels in California; ethanol, olefin and cetane issues

Green Car Congress

JULY 19, 2013

has paid $422,500 in penalties for supplying gasoline and diesel fuel in violation of California regulations designed to protect air quality. Chevron agreed to pay the penalties as part of three separate settlements it reached with the California Air Resources Board (ARB). Chevron USA Inc. In all, 15.9

Chevron

Chevron California San Jose Fuel

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Green Car Congress

FEBRUARY 5, 2020

CO 2 and NO x certification test data for heavy-duty diesel engines certified from 2002 through 2019. NO x is a precursor for both ground level ozone and secondary PM 2.5 NO x is a precursor for both ground level ozone and secondary PM 2.5 Source of data: US EPA (2019). Chart: MECA.

Emissions

Emissions Diesel Engine 2010

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

Green Car Congress

JUNE 1, 2017

Using urban eddy covariance measurements, the researchers found that traffic-related NO x emissions in current operational air quality models can be significantly underestimated by up to a factor of 4 across countries with a sizeable fraction of diesel-powered cars in their fleet. The majority of the emissions is caused by diesel cars.

Europe

Europe Diesel Emissions Pollution

Imaging study: air pollution impairs function of blood vessels in lungs

Green Car Congress

DECEMBER 10, 2016

The volunteers were exposed to ambient air or dilute diesel exhaust with a PM 2.5 and ozone on pulmonary circulation on the same day and over five and ten days. concentration of 300 μg/m 3 for two hours in a randomized, crossover study design. The population study showed a negative effect of PM 10 , PM 2.5

Pollution

Pollution 2016 Exhaust Ozone

Why Electric Buses Are the Healthy School Choice

Blink Charging

NOVEMBER 28, 2023

The World Resources Institute , a sustainability advocacy group, says at the end of the second quarter in 2023, there were just under 6,000 committed electric school buses in the United States. This number includes buses that have been awarded, ordered, delivered, or are already in operation.

Fleet

Fleet Electric Electrical United States

California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

Green Car Congress

SEPTEMBER 26, 2009

Additional diesel PM reductions in 18 major CA railyards with five new locomotive measures. The California Air Resources Board directed its staff to take steps to provide further locomotive and rail yard emission reductions beyond those achieved by existing US Environmental Protection Agency and state regulations and agreements.

Diesel

Diesel California Emissions 2007

Cummins CTO John Wall receives California’s premier air quality award

Green Car Congress

JUNE 26, 2015

John Wall, Vice President and Chief Technical Officer of diesel engine manufacturer Cummins Inc., The Cummins CTO has consistently taken a proactive environmentally conscious position for the diesel industry throughout his career, ARB said. The selection committee is comprised of past award winners.

Climate Change

Climate Change Pollution Climate Ozone

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

Compared to the 2010 “Business as Usual” scenario—which includes all adopted emission control measures for the South Coast—NO x levels must be reduced by 65% and by 75% to meet the 2023 and 2032 ozone standards, respectively. All totaled, engine heat accounts for 26% of the fuel consumed, and exhaust heat accounts for another 24%.

Climate

Climate Gas Emissions California

PNNL team finds correlation between reaction mechanism for zeolite SCR catalyst for NOx aftertreatment and bacterial enzyme catalysis

Green Car Congress

SEPTEMBER 11, 2013

A team of researchers in the Institute for Integrated Catalysis at Pacific Northwest National Laboratory led by chemist János Szanyi has proposed a reaction mechanism for a highly active zeolite catalyst (Cu-SSZ-13) used in selective catalytic reduction (SCR) NO x aftertreatment systems for diesel emissions. Ja Hun Kwak, Jong H. Lee, Sarah D.

Li-ion

Li-ion Diesel 2013 Water

Study Finds Controlling Soot May Be Fastest Method to Reduce Arctic Ice Loss and Global Warming; Second-Leading Cause of Global Warming After CO2

Green Car Congress

JULY 29, 2010

Soot—black and brown particles that absorb solar radiation—comes from two types of sources: fossil fuels such as diesel, coal, gasoline, jet fuel; and solid biofuels such as wood, manure, dung, and other solid biomass used for home heating and cooking around the world. Particle traps filter out soot particles from exhaust fumes.

Global

Global Ozone CO2 Pollution

GISS study finds applying stricter non-CO2 vehicle emission standards worldwide would yield climate benefits in addition to major health and agricultural benefits

Green Car Congress

APRIL 4, 2011

million metric tons of avoided ozone-related yield losses of major food crops; $US0.6-2.4 Overall, the modeling found that stricter standards would prevent the most deaths in China, India, and North Africa, regions where unfiltered soot-producing diesel engines remain ubiquitous. trillion avoided health damage and $US1.1-4.3

Climate

Climate Standards Emissions Climate Change

HEI study finds London Congestion Charging Scheme shows little evidence of improving air quality

Green Car Congress

APRIL 27, 2011

ppb on average; the investigators attributed this increase to higher NO 2 emissions associated with the introduction of particle traps on diesel buses as part of Transport for London’s improvements in the public transport system. NO 2 was projected to increase slightly, by 0.3 —Kelly et al. Frank Kelly, H.

London

London Charging Pollution Diesel

ICCT finds growth in shipping in Arctic could increase pollutant emissions 150-600% by 2025 with current fuels

Green Car Congress

FEBRUARY 5, 2015

MARPOL Annex VI sets limits on NO x and SO x emissions from ship exhaust, and prohibits deliberate emissions of ozone-depleting substances. Most recently MARPOL was amended through the “1997 Protocol,” which added Annex VI, Regulations for the Prevention of Air Pollution from Ships. Earlier post.). Findings and recommendations.

Pollution

Pollution Emissions Mariner Fuel

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. SOA contributions from the two sources are equivalent at 6% diesel fuel use. These compounds in un-burned gasoline and diesel fuel dominate vehicular emissions of reactive gas-phase carbon that have the potential to form SOA.

Diesel

Diesel Los Angeles Exhaust Gasoline

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

Green Car Congress

SEPTEMBER 14, 2015

The fundamental diesel engine research program pursuing advanced technologies and combustion processes and engine architectures to achieve 55 percent BTE should continue to be a focus of the 21CTP engine activities. If necessary, the next-generation code development should be adjusted. 21 st Century Truck Partnership, Third Report.

MPG

MPG Miles 2009 Fuel

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

L) diesel engines at idle and load, using a biodiesel blend (B20) and conventional ultralow sulfur diesel (ULSD) fuel. 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

Clean Diesel Technologies awarded $1.3M for ferry emission reduction program

Green Car Congress

OCTOBER 25, 2010

Clean Diesel Technologies, Inc. million in funding by the New York State Energy and Research Development Authority (NYSERDA) to supply diesel emission control technology as part of a New York City ferry emission reduction program. has been awarded $1.3

Diesel

Diesel Clean Cleaning Emissions

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

A notable exception is for the small diesel car; with two passengers ( i.e., 50% occupancy), the specific climate impact is lower than for an average train or bus trip. Similar effects apply for diesel buses, but because of their higher unit emissions of BC and NO x , the contribution of SLCFs is more pronounced. fuel consumption.

Climate

Climate Diesel Climate Change Emissions

EV Driven

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

California adopts comprehensive strategy to meet federal ozone standard over next 15 years

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

UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

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

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

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

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

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

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

Study provides more insight into air pollution mechanisms that cause cardiovascular diseases

MIT team proposes SCR emission control for hybrid aviation turbines; reducing NOx by 95%

California ARB Expands Assistance Program for Truckers to Reduce Diesel Emissions

Chevron fined $422,500 for 3 instances of non-compliant fuels in California; ethanol, olefin and cetane issues

MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

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

Imaging study: air pollution impairs function of blood vessels in lungs

Why Electric Buses Are the Healthy School Choice

California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

Cummins CTO John Wall receives California’s premier air quality award

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

PNNL team finds correlation between reaction mechanism for zeolite SCR catalyst for NOx aftertreatment and bacterial enzyme catalysis

Study Finds Controlling Soot May Be Fastest Method to Reduce Arctic Ice Loss and Global Warming; Second-Leading Cause of Global Warming After CO2

GISS study finds applying stricter non-CO2 vehicle emission standards worldwide would yield climate benefits in addition to major health and agricultural benefits

HEI study finds London Congestion Charging Scheme shows little evidence of improving air quality

ICCT finds growth in shipping in Arctic could increase pollutant emissions 150-600% by 2025 with current fuels

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

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

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

Clean Diesel Technologies awarded $1.3M for ferry emission reduction program

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

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