Comparison, Ozone and Universal

Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

Green Car Congress

MAY 5, 2014

Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). Ozone formation. Even short periods of unhealthy ozone levels can cause local death rates to rise. Scenario A2 and RCP 8.5.

Ozone

Ozone Climate Change Pollution Climate

NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel

Green Car Congress

AUGUST 9, 2012

VOCs, primarily emitted from the tailpipes of vehicles, are a key ingredient in the formation of ground-level ozone which, at high levels, can harm people’s lungs and damage crops and other plants. Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder.

Los Angeles

Los Angeles Gasoline Ozone 2002

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. This study highlighted the environmental impacts of corn ethanol in comparison with gasoline. GW = global warming; Eut.

Gasoline

Gasoline Water Emissions Pollution

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

Green Car Congress

MAY 29, 2014

However, the use of CFT resulted in a remarkable reduction in carbonyl emissions in comparison with using DF. lower ozone formation potential of the carbonyl compounds present than DF under the identical operating conditions. There was no significant difference in the profiles of total carbonyl emissions between CFT and DF. CFT had 16.5–44.1%

Coal

Coal Diesel Emissions Fuel

Study finds damage due to premature mortality from PM2.5 decreased >20% from 2008 to 2014

Green Car Congress

OCTOBER 7, 2019

related damages, researchers from Carnegie Mellon University and Stanford have found that, US-economy-wide, gross external damage (GED) due to premature mortality has decreased by more than 20% from 2008 to 2014. We do not include damages from morbidity or other pollutants such as exposure to nitrogen oxides (NO x ) or ozone.

2008

2008 2014 Pollution Economy

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

Green Car Congress

MAY 12, 2017

The study, by a team of researchers from Carnegie Mellon University, University of Georgia, Aerodyne Research, California Air Resources Board (ARB), Ohio State University, UC Berkeley, and UC San Diego is published in the ACS journal Environmental Science & Technology. We estimate ozone and SOA formation potential.

Fleet

Fleet Engine Fuel Economy Global

HEI: 95%+ of world’s population live in areas of unhealthy air

Green Car Congress

APRIL 18, 2018

Comparison of 2016 annual average PM 2.5 Ozone, another important component of outdoor air pollution, whose levels are on the rise around the world, contributed to 234,000 deaths from chronic lung disease. Population-weighted seasonal average ozone concentrations in 2016. concentrations to the WHO Air Quality Guideline.

Pollution

Pollution Coal 2016 India

Researchers suggest that air quality tests need simplifying to help reduce dangerous emissions

Green Car Congress

DECEMBER 26, 2019

Lead author Professor William Stockwell from the University of Texas at El Paso explains that accurate simulations of air pollutants require updated and accurate descriptions of the chemical processes for the changing chemical regimes of the atmosphere and emerging contaminants of concern.

Emissions

Emissions El Paso Pollution Ozone

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

The observed mean ambient particle E abs versus RBC during CalNex is shown for comparison (orange line). Black carbon is part of a group of pollution sources known as Short-Lived Climate Forcers (SLCFs), including methane gas and ozone, which are produced on earth. Credit: Cappa et al. Click to enlarge. Earlier post.).

Climate

Climate Climate Change Carbon Boston

Lifecycle study finds that environmental impacts of silicon-anode Li-ion battery could be roughly comparable with conventional Li-ion battery

Green Car Congress

FEBRUARY 17, 2014

A conventional battery pack using graphite anode with the same capacity was the a basis for comparison of the life cycle impact results. Units of the X-axis values are different and shown under each impact category name on Y-axis. Credit: ACS, Li et al. Click to enlarge. The conventional battery pack had 36 modules; each module had 12 cells.

Li-ion

Li-ion Battery Batteries Milwaukee

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. Current Legal Requirement for Use of Anhydrous Ethanol in the United States. 40 CFR § 80.27 addresses controls and prohibitions on gasoline volatility.

Transportation

Transportation Fuel Renewable Gasoline-Electric

Study Finds Environmental and Tailpipe Pollutants Benefits in Using Biodiesel in Construction Vehicles

Green Car Congress

JULY 19, 2009

Using biodiesel in construction vehicles offers promising environmental benefits in terms of reduced tailpipe emissions as well as reductions in fuel cycle emissions of selected pollutants, according to a new study by researchers at North Carolina State University. ozone, PM) problems may be less pressing.

Pollution

Pollution Vehicles North Carolina Diesel

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 Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. Credit: ACS, Chin et al. Click to enlarge. L) and medium-duty (6.4 Jo-Yu Chin, Stuart A.

Pollution

Pollution Diesel Emissions Engine

Study: Urban grime releases NOx when exposed to sunlight

Green Car Congress

AUGUST 17, 2015

Researchers at the University of Toronto have found that natural sunlight triggers the release of smog-forming NO x compounds from the grime that typically coats buildings, statues and other outdoor surfaces in urban areas. Among these compounds are nitrogen oxides. —James Donaldson.

Ozone

Ozone Germany Canada Pollution

EV Driven

Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel

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

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

Study finds damage due to premature mortality from PM2.5 decreased >20% from 2008 to 2014

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

HEI: 95%+ of world’s population live in areas of unhealthy air

Researchers suggest that air quality tests need simplifying to help reduce dangerous emissions

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

Lifecycle study finds that environmental impacts of silicon-anode Li-ion battery could be roughly comparable with conventional Li-ion battery

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

Study Finds Environmental and Tailpipe Pollutants Benefits in Using Biodiesel in Construction Vehicles

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

Study: Urban grime releases NOx when exposed to sunlight

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