Carbon, Gas, Ozone and Universal

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

In a recent open-access paper published in ACS’ Environmental Science & Technology , researchers from the University of York report that alcohols in windshield washer fluid account for a larger fraction of real-world vehicle emissions than previous estimates have suggested. Cliff et al. —Cliff et al.

Emissions

Emissions Exhaust Cars Ozone

Study finds some refrigerants less damaging to ozone layer can degrade to long-lived GHG CF4

Green Car Congress

NOVEMBER 3, 2015

Some of the substitutes for ozone-damaging chemicals that being phased out worldwide under international agreements are themselves potent greenhouse gases and contribute to warming. This work was supported in part by NOAA’s Atmospheric Chemistry, Carbon Cycle, and Climate (AC4) Program and NASA’s Atmospheric Composition Program.

Ozone

Ozone Colorado Gas Carbon

Texas study finds PHEV use could increase ozone at night, decrease ozone during the day

Green Car Congress

APRIL 22, 2011

A study by researchers at the University of Texas found that in general, use of plug-in hybrid electric vehicles (PHEVs) can lead to an increase in ozone during nighttime hours (due to decreased scavenging from both vehicles and EGU stacks) and a decrease in ozone during daytime hours.

Ozone

Ozone PHEV Texas San Antonio

Using Ozone-Generated Bubbles to Remove Oil Sheen and Contaminants from Water

Green Car Congress

NOVEMBER 17, 2009

A University of Utah engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. —Professor Andy Hong. Water from mining of oil sands and oil shale. Heavy metals in soil.

Ozone

Ozone Water Oil-Sands Oil

Study: 25% EV adoption would save US $17B annually from avoided climate change & pollution damages

Green Car Congress

AUGUST 18, 2020

A new study led by researchers from Northwestern University projects that if electric vehicles replaced 25% of combustion engine cars currently on the road, the United States would save approximately $17 billion annually by avoiding damages from climate change and air pollution. The open-access paper is published in AGU’s journal GeoHealth.

Climate Change

Climate Change Pollution Climate 2014

Emissions of potent GHG HFC-23 have grown, contradicting reports of huge reductions

Green Car Congress

JANUARY 23, 2020

Despite reports that global emissions of the potent greenhouse gas, HFC-23, were almost eliminated in 2017, an international team of scientists, led by the University of Bristol, has found atmospheric levels growing at record values. This gas has very few industrial applications. This would have been a big win for climate.

Emissions

Emissions India Ozone 2017

Study Finds Ozone, Nitrogen Change the Way Rising CO2 Affects Earths Water

Green Car Congress

JULY 10, 2009

Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. Benjamin Felzer, Lehigh University.

Ozone

Ozone Water CO2 MIT

Northwestern/Princeton study explores air quality impacts of aggressive conversion to EVs

Green Car Congress

APRIL 15, 2019

Researchers from Northwestern University and Princeton University have explored the impact on US air quality from an aggressive conversion of internal combustion vehicles to battery-powered electric vehicles (EVs). coal, oil, natural gas, and biomass). Seasons and times of day. —Jordan Schnell.

Conversion

Conversion Jordan Ozone Coal

Study findings suggest that switching from coal to natural gas would do little for global climate

Green Car Congress

SEPTEMBER 8, 2011

Relying more on natural gas would reduce emissions of carbon dioxide, but it would do little to help solve the climate problem. The situation is further complicated by uncertainty over the amount of methane that leaks from natural gas operations. Methane is an especially potent greenhouse gas. degree Celsius).

Coal

Coal Climate Gas Global

MIT study finds air quality co-benefits of US carbon policies can significantly offset costs, depending upon the policy

Green Car Congress

AUGUST 25, 2014

The human health benefits associated with improvements in air quality related to the reduction in greenhouse gas emissions improvements can offset 26–1,050% of the cost of US carbon policies, depending upon the type of policy, according to a new study by a team from MIT. Carbon-reduction policies significantly improve air quality.

MIT

MIT Carbon Climate Climate Change

Study uncovers role of longer-chain unburned hydrocarbon emissions from diesels in London air pollution; calls for regulatory shift

Green Car Congress

SEPTEMBER 27, 2015

The study found that 60% of the winter primary hydrocarbon hydroxyl radical reactivity in London is from those diesel-related hydrocarbons; the authors predicted that the longer-chain HCs contribute up to 50 % of the ozone production potential in London. —Dunmore et al. Dunmore et al. Dunmore et al.

London

London Pollution Diesel Emissions

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

Green Car Congress

APRIL 11, 2019

About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH). —Susan Anenberg.

Pollution

Pollution United Arab Emirates South Korea Las Vegas

Tohoku team finds swirling ammonia in combustion chambers can help reduce NO emissions

Green Car Congress

OCTOBER 15, 2018

Researchers at Tohoku University in Japan have identified a way to reduce harmful NO emissions produced by ammonia fuel during combustion. The process involves swirling the gas with air as part of the power generation process. Still, emission levels were higher than the Japanese environmental regulations for gas power turbines.

Emissions

Emissions Hydrogen Fuel Global

Test of Planet-Cooling Scheme Could Start in 2022

Cars That Think

DECEMBER 19, 2021

Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Eventually, they’ll add equipment to spray tiny aerosol particles of calcium carbonate, the compound found in limestone, blackboard chalk, and Tums antacids. cancel the launch.

Ozone

Ozone Solar Climate Change Climate

Stanford Professor Urges EPA to Include Black Carbon in Endangerment Finding

Green Car Congress

MAY 18, 2009

In testimony for the US Environmental Protection Agency (EPA) public hearing ( earlier post ) on the proposed endangerment finding for greenhouse gas emissions under the Clean Air Act ( earlier post ), Stanford Professor Mark Jacobson urged the EPA to include black carbon in the finding. F, with about 40% due to ozone.

Carbon

Carbon EPA Pollution Ozone

US and UK researchers report direct measurement of key atmospheric reactant; more rapid formation of secondary aerosols

Green Car Congress

JANUARY 16, 2012

Now, researchers from Sandia National Laboratory’s Combustion Research Facility, the University of Manchester and the University of Bristol report in a paper in Science the first direct kinetics measurements made of reactions of any gas-phase Criegee intermediate, in this case formaldehyde oxide (CH 2 OO). —Welz et al.

Ozone

Ozone Climate Change Climate 2012

Low-lying and other vulnerable countries calling for fast action on non-CO2 global warming pollutants

Green Car Congress

NOVEMBER 29, 2010

Led by the tiny Pacific island of the Federated States of Micronesia, a growing group of low-lying islands and other vulnerable countries are calling for fast action on the approximately 50% of global warming that is caused by pollutants other than carbon dioxide (CO 2 ). million lives lost each year due to black carbon soot.

Micronesia

Micronesia Pollution Ozone Global

MSU team developing bio-isoprene for synthetic rubber production

Green Car Congress

MAY 16, 2012

Tom Sharkey, chairperson of the Michigan State University biochemistry and molecular biology department, believes isoprene, a gas given off by plants to help them cope with rapid increases in temperature that can occur in sunlight. His team also has created models to measure how much isoprene plants release on a global scale.

Ozone

Ozone Production Michigan Automobile

Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

Green Car Congress

DECEMBER 22, 2010

Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. It is produced via a microbial process called denitrification, which converts nitrogen to nitrous oxide and an inert gas called dinitrogen.

New Hampshire

New Hampshire Global Climate Change Ozone

Study finds warming caused by synthetic greenhouse gases could outweigh climate benefits from phasing down CFCs

Green Car Congress

APRIL 11, 2014

Chlorofluorocarbons (CFCs)—commonly used in refrigerators and air conditioners—play a role in creating a hole in the ozone layer over Antarctica. 2 in 2020, before declining by approximately 26% by 2050, despite continued growth of fully fluorinated greenhouse gas emissions. —Ronald Prinn. Rigby, M.,

Climate

Climate Ozone Climate Change MIT

Electric vehicle charging stations worth a complete of quite $1.7 million

Setec Powerr

AUGUST 20, 2021

million is coming to 26 government agencies, universities, and electric utilities in Louisiana. Almost half the new buses are fueled by cleaner-burning propane or compressed natural gas; the others are cleaner-burning diesel engines. Net-zero carbon emissions by 2050 are the governor’s goal. Another $7.3

Electric Vehicles

Electric Vehicles Louisiana Charging Grant

Field study finds soot particles absorb significantly less sunlight than predicted by models; climate models may be overestimating warming by BC

Green Car Congress

SEPTEMBER 1, 2012

Although viewed as a potential target in the global effort to reduce climate change, atmospheric black carbon particles absorb significantly less sunlight than scientists have predicted, according to a new study by an international team of researchers, published in the journal Science. Earlier post.). Earlier post.).

Climate

Climate Climate Change Carbon Boston

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

Jacobson at Stanford University. Results of the study suggest that soot is second only to carbon dioxide in contributing to global warming. Jacobson found that the combination of the two types of soot is the second-leading cause of global warming after carbon dioxide. He also found that soot emissions kill more than 1.5

Global

Global Ozone CO2 Pollution

ICCT study finds that transitioning to low-GWP MAC refrigerants in China could avoid up to US$150B in costs

Green Car Congress

SEPTEMBER 25, 2016

These older systems used chlorofluorocarbons (CFC-12) as the refrigerant gas. These were shown to be ozone-depleting, however, and were targeted for phasing out under the 1987 Montreal Protocol. Cambridge University Press. The switch the HFC-134a as the preferred replacement refrigerant was rapid.

China

China Ozone Chinese United States

House Chairmen Waxman, Markey Release Draft of Energy and Climate Legislation; Among the Many Provisions Are Cap-and-Trade, Harmonization of CAFE and California Vehicle Regulations, and Low Carbon Fuel Standard

Green Car Congress

APRIL 1, 2009

Among the direct transportation-related provisions in the extensive package are a low-carbon fuel standard for all transportation fuels; financial support for large scale demonstrations of electric vehicles; and financial support for automakers retooling plants to make electric vehicles. Carbon Capture and Sequestration.

Climate

Climate Standards Carbon California

Study finds that environmental impact of corn-ethanol E85 is 23% to 33% higher than that of gasoline; environmental problem-shifting

Green Car Congress

MARCH 16, 2012

eutrophication; ET = ecological toxicity; FEC = fossil energy consumption; WU = water use; LO = land occupation; “The rest” includes acidification; smog formation; ozone layer depletion; and human health effects. GW = global warming; Eut. Credit: ACS, Yang et al. Click to enlarge.

Gasoline

Gasoline Water Emissions Minnesota

Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

Green Car Congress

OCTOBER 11, 2012

Researchers from the University of Minnesota have produced a spatially and temporally explicit life cycle inventory (LCI) of air pollutants from gasoline, ethanol derived from corn grain, and ethanol from corn stover for the contiguous US (the lower 48 states). of all three fuels, but emits more black carbon (15 mg mi ?1

Gasoline

Gasoline Emissions Gasoline-Electric Pollution

New Comprehensive Lifecycle Energy and Emissions Inventory Includes Non-Operational Components; Large Aircraft Can Perform Better than Light Rail

Green Car Congress

JUNE 9, 2009

Mikhail Chester and Arpad Horvath inventoried on-road, rail, and air travel to determine energy consumption, greenhouse gas (GHG) emissions, and criteria air pollutant (CAP) emissions (excluding PM, lead, and ozone due to lack of data). Chester and Horvath (2009).

Light

Light Emissions Energy Boston

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. versus 6.3 ± 1.1

Fleet

Fleet Engine Global Fuel Economy

Study identifies Bakken Formation alone as responsible for ~2% of global ethane emissions

Green Car Congress

APRIL 29, 2016

The Bakken Formation, a shale oil and gas field in North Dakota and Montana, is emitting roughly 2% (about 250,000 tons per year) of the globe’s ethane, according to new study led by researchers at the University of Michigan. Between 2005 and 2014, the Bakken’s oil production jumped by a factor of 3,500, and its gas production by 180.

Global

Global Ozone Emissions North Dakota

SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

Green Car Congress

APRIL 3, 2009

Low-input cultivation of perennial plants, e.g. from short-rotation forestry and grasslands, may be an effective source of cellulosic biomass and provide environmental benefits (reduced pollution and lower greenhouse gas emissions). However very few studies include water use impacts. This implies reaching agreement on of key parameters (e.g.

Conversion

Conversion Water Emissions 2009

Flying first class on a single domestic round trip can contribute more greenhouse gas emissions than a year of driving

Green Car Congress

JULY 1, 2019

This analysis examined the effect of flight distance on greenhouse gas emissions per passenger, and compared emissions from flying different distances with annual emissions from driving. Greenhouse gas emissions were examined for 17 nonstop flights with round-trip distances ranging from 131 miles to 19,040 miles. by Michael Sivak.

Emissions

Emissions Los Angeles Gas San Francisco

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

Panels show (a) PM 2.5 , (b) elemental carbon (EC), (c) NO x , (d) CO, (e) formaldehyde, and (f) sum of target VOCs. A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 Emission rates for the 1.7 L engines at idle. Credit: ACS, Chin et al.

Pollution

Pollution Diesel Emissions Engine

Researchers Determine Process Through Which Hydrocarbon Compounds Emitted by Trees Form Aerosols, With Impact on Human Health and Climate

Green Car Congress

AUGUST 9, 2009

Isoprene, a five-carbon diene formed naturally in plants and animals and a precursor of ozone, contributes more than 40% of these emissions. Global simulations show an enormous flux—nearly 100 teragrams of carbon per year—of these epoxides to the atmosphere. Paul Wennberg, Caltech, project leader. Dr Kleindienst. 1178324.

Climate

Climate New Zealand Denmark 2009

Researchers Engineer Yeast to Produce Methyl Halides from Biomass; Precursors for Biohydrocarbon Fuels

Green Car Congress

APRIL 22, 2009

Researchers at the University of California San Francisco have engineered the industrial yeast S. They can also be used as intermediates for the chemical synthesis of more complex carbon compounds such as fuel hydrocarbons. fermentans for carbon and energy, and A. cerevisiae to convert biomass to methyl halides with good yield.

Engine

Engine Fuel San Francisco Convert

Here’s How We Could Brighten Clouds to Cool the Earth

Cars That Think

SEPTEMBER 7, 2021

Take, for example, the tens of thousands of fossil-fueled ships that chug across the ocean, spewing plumes of pollutants that contribute to acid rain, ozone depletion, respiratory ailments, and global warming. not a replacement for reducing greenhouse gas emissions, which is imperative. Solar climate intervention is.

Climate

Climate Climate Change Solar Mariner

EV Driven

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

Study finds some refrigerants less damaging to ozone layer can degrade to long-lived GHG CF4

Texas study finds PHEV use could increase ozone at night, decrease ozone during the day

Using Ozone-Generated Bubbles to Remove Oil Sheen and Contaminants from Water

Study: 25% EV adoption would save US $17B annually from avoided climate change & pollution damages

Emissions of potent GHG HFC-23 have grown, contradicting reports of huge reductions

Study Finds Ozone, Nitrogen Change the Way Rising CO2 Affects Earths Water

Northwestern/Princeton study explores air quality impacts of aggressive conversion to EVs

Study findings suggest that switching from coal to natural gas would do little for global climate

MIT study finds air quality co-benefits of US carbon policies can significantly offset costs, depending upon the policy

Study uncovers role of longer-chain unburned hydrocarbon emissions from diesels in London air pollution; calls for regulatory shift

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

Tohoku team finds swirling ammonia in combustion chambers can help reduce NO emissions

Test of Planet-Cooling Scheme Could Start in 2022

Stanford Professor Urges EPA to Include Black Carbon in Endangerment Finding

US and UK researchers report direct measurement of key atmospheric reactant; more rapid formation of secondary aerosols

Low-lying and other vulnerable countries calling for fast action on non-CO2 global warming pollutants

MSU team developing bio-isoprene for synthetic rubber production

Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

Study finds warming caused by synthetic greenhouse gases could outweigh climate benefits from phasing down CFCs

Electric vehicle charging stations worth a complete of quite $1.7 million

Field study finds soot particles absorb significantly less sunlight than predicted by models; climate models may be overestimating warming by BC

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

ICCT study finds that transitioning to low-GWP MAC refrigerants in China could avoid up to US$150B in costs

House Chairmen Waxman, Markey Release Draft of Energy and Climate Legislation; Among the Many Provisions Are Cap-and-Trade, Harmonization of CAFE and California Vehicle Regulations, and Low Carbon Fuel Standard

Study finds that environmental impact of corn-ethanol E85 is 23% to 33% higher than that of gasoline; environmental problem-shifting

Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

New Comprehensive Lifecycle Energy and Emissions Inventory Includes Non-Operational Components; Large Aircraft Can Perform Better than Light Rail

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

Study identifies Bakken Formation alone as responsible for ~2% of global ethane emissions

SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

Flying first class on a single domestic round trip can contribute more greenhouse gas emissions than a year of driving

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

Researchers Determine Process Through Which Hydrocarbon Compounds Emitted by Trees Form Aerosols, With Impact on Human Health and Climate

Researchers Engineer Yeast to Produce Methyl Halides from Biomass; Precursors for Biohydrocarbon Fuels

Here’s How We Could Brighten Clouds to Cool the Earth

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