Exhaust, Fuel, 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.

Exhaust

Exhaust Ozone Japan Diesel

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

The levels of these non-fuel-derived gases will likely remain unchanged, even as more drivers transition from gas-powered to electric vehicles. Another important component of emissions is volatile organic compounds (VOCs), a broad classification of carbon-based molecules that are easily vaporized and that can contribute to ozone formation.

Emissions

Emissions Exhaust Cars Ozone

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

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

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

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

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. increase in block fuel burn. increase in block fuel burn. Furthermore, SCR systems require ultra-low sulfur (ULS) fuel to prevent catalytic fouling. Speth, Sebastian D.

MIT

MIT Emissions Hybrid Gas-Electric

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). million gallons of fuel were in violation of state regulations.

Chevron

Chevron California San Jose Fuel

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

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.) Advanced Collaborative Emissions Study (ACES).

Exhaust

Exhaust Diesel Engine 2007

California Air Resources Board Unveils $3.7M in Rebates for Plug-in Hybrid and Zero-Emission Vehicles

Green Car Congress

MARCH 18, 2010

The California Air Resources Board announced $3.7 battery electric or fuel cell) and plug-in hybrid light-duty vehicles and up to $20,000 for the purchase of ARB-certified or approved zero-emission commercial vehicles on a first-come, first-served basis. The rebates offer up to $5,000 for the purchase of zero-emission (e.g.,

Plug-in

Plug-in California Emissions Plug

BASF introduces EvapTrap automotive hydrocarbon trap for LEV III evaporative emissions compliance without backpressure increase

Green Car Congress

JANUARY 15, 2014

The California Air Resources Board (ARB) has adopted new LEV III emissions regulations which go into effect in 2015, requiring automakers to further reduce evaporative emissions. Hydrocarbons in the fuel from the engine can leak out through the air intake system when the car is not running. It is also a tamper-proof solution.

Emissions

Emissions Fuel Economy Ozone Conversion

EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024

Green Car Congress

DECEMBER 23, 2016

These technology examples, along with numerous cost-effective technological advances in exhaust after-treatment technologies, demonstrate that there are feasible approaches where GHG reductions and fuel efficiency do not have to be sacrificed to achieve greater NO x reductions. —EPA memorandum in response to petitions.

EPA

EPA Standards Ozone 2000

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

Green Car Congress

FEBRUARY 5, 2015

fuel for Arctic vessels assuming a low-growth scenario. The ICCT team combined these diversion scenarios with regional traffic growth projections to estimate potential criteria-pollutant emissions assuming the use of current fuels compared to the implementation of requirements for the use of low-sulfur fuel of either 0.5%

Pollution

Pollution Emissions Mariner Fuel

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.

Emissions

Emissions Ford Exhaust Engine

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. Five technology paths for very-low-NO x and GHG emissions from heavy-duty natural gas engines.

Climate

Climate Gas Emissions California

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

Green Car Congress

DECEMBER 4, 2013

To comply with the 2010 NOX limit, on-highway heavy-duty engine manufacturers utilized a urea-based selective catalytic reduction (SCR) catalyst in engine exhaust placed downstream of a diesel oxidation catalyst (DOC) and a catalyzed diesel particulate filter (DPF) used for particulate matter (PM) emissions control. g/hp-hr in 2010.

Diesel

Diesel Emissions 2004 San Antonio

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

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

Green Car Congress

JUNE 26, 2015

The California Air Resources Board (ARB) cited Dr. Wall for his leadership role in the development and implementation of all the major technology advancements ultimately leading to the near-zero levels of emissions of particulate matter and oxides of nitrogen from engines. The selection committee is comprised of past award winners.

Climate Change

Climate Change Pollution Climate Ozone

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

Green Car Congress

JUNE 1, 2017

In these detailed bottom-up models, mobile source emissions are treated for different engine sizes and fuels, that, in the past, relied on standardized protocols obtained in test facilities, but were recently updated based on a number of RDE tests. Resources. TWC treatment can lead to a 10 fold reduction of NO. Striednig, C.

Europe

Europe Diesel Emissions Pollution

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

Green Car Congress

FEBRUARY 5, 2020

NO x is a precursor for both ground level ozone and secondary PM 2.5 A wide variety of technology options can be deployed on heavy-duty engines and vehicles to reduce engine-out NO x while improving fuel economy to reduce the total cost of ownership of trucks. g/bhp-hr and a Low Load Cycle (LLC) limit below 0.2

Emissions

Emissions Diesel Engine 2010

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. Many school districts use diesel buses for fuel efficiency, but even diesel exhaust was classified as a known carcinogen to humans in 2012.

Fleet

Fleet Electric Electrical United States

Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

Green Car Congress

APRIL 11, 2019

NO 2 is a pollutant formed mainly from fossil fuel combustion, and traffic emissions can contribute up to 80% of ambient NO 2 in cities. NO 2 is just one component of air pollution, which is made up of many pollutants (including particulate matter, ozone, carbon monoxide), which are known to have numerous adverse effects on health.

Pollution

Pollution United Arab Emirates South Korea Las Vegas

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

Green Car Congress

AUGUST 30, 2009

Under the Proalcool Program, sugar companies were ordered to increase production and the state-run oil company, Petrobras, was required to make álcool (ethanol) available at its fuel stations. The production and consumption of hydrous ethanol fuel followed an expected pattern. of water.

Transportation

Transportation Fuel Renewable Gasoline-Electric

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

Controlling soot from fossil fuels and solid biofuels may be a faster method of reducing Arctic ice loss and global warming than other options, including controlling CH 4 or CO 2 , although all controls are needed, according to a new study by Dr. Mark Z. Particle traps filter out soot particles from exhaust fumes. degrees Celsius (4.5

Global

Global Ozone CO2 Pollution

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

Green Car Congress

JUNE 12, 2023

Unlike exhaust from burning coal and gas that contains CO 2 , burning hydrogen emits only water vapor and oxygen. Hydrogen is not a greenhouse gas, but its chemical reactions in the atmosphere affect greenhouse gases such as methane, ozone, and stratospheric water vapor. —Dr Sand Resources Sand, M., Sand et al.

Hydrogen

Hydrogen Global Ozone CO2

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.” The 21CTP was formed in 2001 to reduce fuel usage and emissions in trucks of Classes 3 through 8.

MPG

MPG Miles 2009 Fuel

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

Green Car Congress

SEPTEMBER 26, 2009

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. NO x helps create ground-level ozone, or smog. Source: Staff presentation.

Diesel

Diesel Emissions California 2007

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. The urban areas in California shown are for on-road fuel use only. The United States and California state averages shown are based on total on- and off-road use.

Diesel

Diesel Los Angeles Exhaust Gasoline

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

Green Car Congress

NOVEMBER 11, 2018

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. ozone and sulfate) origin and cardiorespiratory emergency department (ED) visits for 8 specific outcomes in five U.S. nitrogen oxides) and secondary (e.g. Chang, Lance A.

Pollution

Pollution St. Louis Dallas Atlanta

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. —Saliba et al.

Fleet

Fleet Engine Global Fuel Economy

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. Their paper appears in the ACS journal Energy & Fuels. Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. L) and medium-duty (6.4 L/2002 calibration and 6.4

Pollution

Pollution Diesel Emissions Engine

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. fuel consumption. fuel consumption. In their study, Borken-Kleefeld et al.

Climate

Climate Diesel Emissions Climate Change

EV Driven

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

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

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

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

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

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

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

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

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

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

California Air Resources Board Unveils $3.7M in Rebates for Plug-in Hybrid and Zero-Emission Vehicles

BASF introduces EvapTrap automotive hydrocarbon trap for LEV III evaporative emissions compliance without backpressure increase

EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024

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

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

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

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

California ARB Expands Assistance Program for Truckers to Reduce Diesel Emissions

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

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

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

Why Electric Buses Are the Healthy School Choice

Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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

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

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

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

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

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

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

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

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

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

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