Comparison, Emissions, 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. Scenario A2 and RCP 8.5. The RCP 8.5

Ozone

Ozone Climate Change Pollution Climate

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

Green Car Congress

DECEMBER 26, 2019

New methods of testing and simulating air quality should be considered in order to help policy makers have a more accurate understanding of how emissions affect air pollution levels, new research suggests. The researchers compared current techniques used to describe atmospheric chemical reactions against more historical techniques.

Emissions

Emissions El Paso Pollution Ozone

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

Green Car Congress

MAY 29, 2014

There was no significant difference in the profiles of total carbonyl emissions between CFT and DF. 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.

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. related emissions. In a new study of PM 2.5 75% of GED attributable to economic activities.

2008

2008 2014 Pollution Economy

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. —Warneke et al.

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. GW = global warming; Eut. Credit: ACS, Yang et al. Click to enlarge. Process flow diagrams for E85 and gasoline. Click to enlarge.

Gasoline

Gasoline Water Emissions Minnesota

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

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. higher for NO x. lower for PM. higher for HC. lower for CO.

Pollution

Pollution Vehicles North Carolina Diesel

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

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 water contained in hydrous ethanol blends also reduces NO x emissions. 40 CFR § 80.27 Pursuant to 40 CFR § 80.27(a)(2): 40 CFR § 80.27(d)

Transportation

Transportation Fuel Renewable Gasoline-Electric

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

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

Emission rates for the 1.7 A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 Biodiesel also reduces smoke opacity, PM, CO, and NMHC emissions, although NO x may increase, depending on operating conditions. L engines at idle.

Pollution

Pollution Diesel Emissions Engine

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

The researchers characterized nanowastes and nanoparticle emissions from the SiNW synthesis. 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.

Li-ion

Li-ion Batteries Battery Milwaukee

EV Driven

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

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

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

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

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

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

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

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

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

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

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