Comparison, Gas, Ozone and Study

Studies find global COVID-19 lockdowns have significantly reduced PM2.5 and NO2 pollution, but ozone up

Green Car Congress

MAY 12, 2020

Levels of two major air pollutants have been reduced significantly since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant—ground-level ozone—has increased in China, according to new research. For comparison, columns over the same time periods are shown for 2019. Bauwens et al.

Ozone

Ozone Pollution Global Iran

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

Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

Green Car Congress

JULY 11, 2013

Renault’s comparison of the carbon footprint of EV and ICE vehicles over production, operation and end of life. The study used the series production versions launched in 2011, with the assumption of operation for 150,000 km (93,205 miles). Photochemical Ozone Creation Potential (kg Ethene equivalent). Click to enlarge.

Li-ion

Li-ion Gasoline-Electric Ozone Diesel

PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

Green Car Congress

MAY 17, 2020

Deterioration of the ozone layer [kg CFC-11-eq.]. A recent PSI study led by environmental scientist Christian Bauer found that a battery electric car is already the most environmentally friendly option in Switzerland and many other countries, even when the manufacture of the battery is figured in. —Romain Sacchi. in review).

Mariner

Mariner Climate Change DC Cars

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. —Yang et al. Process flow diagrams for E85 and gasoline.

Gasoline

Gasoline Water Emissions Minnesota

NASA GISS Study Finds That Methane Has an Elevated Warming Effect Due to Interactions With Aerosols

Green Car Congress

OCTOBER 30, 2009

The 100-year global warming potentials (GWPs) for methane, CO, and NO x (per Tg N) as given in the AR4 and in this study when including no aerosol response; the direct radiative effect of aerosol responses; and the direct+indirect radiative effects of aerosol responses. Source: Shindell at al. Click to enlarge. Shindell et al.

Climate Change

Climate Change Climate Ozone Pollution

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

Between 2002 and 2010 alone, the concentration of VOCs dropped by half, according to a new study by NOAA scientists and colleagues, published in the AGU’s Journal of Geophysical Research. —lead author Carsten Warneke, Ph.D., Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder.

Los Angeles

Los Angeles Gasoline Ozone 2002

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. Credit: Cappa et al. Click to enlarge.

Climate

Climate Climate Change Carbon Boston

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

Green Car Congress

FEBRUARY 5, 2015

Comparison of the potential reduction in emissions with the application of lower sulfur 0.5% The study found the potential for 1,500–2,000 Bering Strait transits in 2025, a three- to four-fold increase from 440 transits in 2013 (based on the medium-growth scenario). fuel for Arctic vessels assuming a low-growth scenario. Source: ICCT.

Pollution

Pollution Emissions Fuel Mariner

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. of the data.

Fleet

Fleet Engine Global Fuel Economy

NOAA Study Identifies Nitrous Oxide as Top Ozone-Depleting Emission in 21st Century

Green Car Congress

AUGUST 28, 2009

Comparison of annual N 2 O ODP-weighted emissions from the 1990s with emissions of other ODS in 1987 and in 2008. Currently, anthropogenic N 2 O emissions represent the largest contribution to ozone depletion. Today, nitrous oxide emissions from human activities are more than twice as high as the next leading ozone-depleting gas.

Ozone

Ozone Emissions 2009 Climate

MIT study finds including non-CO2 emissions from synthetic aviation fuel in lifecycle analysis of climate impact can lead to decrease in relative environmental merit; need for a holistic analysis framework

Green Car Congress

NOVEMBER 23, 2011

A new study by researchers at MIT has found that factoring the non-CO 2 combustion emissions and effects into the lifecycle of a Synthetic Paraffinic Kerosene (SPK) aviation fuel can lead to a decrease in the relative environmental merit of the SPK fuel compared to conventional jet fuel. Aviation climate change impacts pathway.

MIT

MIT Climate Emissions Fuel

Up close and personal with Volkswagen’s e-Golf carbon offset project: Garcia River Forest

Green Car Congress

JUNE 8, 2015

In addition to the direct benefits of storing carbon, wood products have also been shown to have fewer associated greenhouse gas emissions compared with concrete or steel. The main focus of the comparisons is on five environmental impact categories during production, use and recycling. ozone depletion potential (ODP).

Carbon

Carbon Personal Store Emissions

Abt life-cycle analysis of different Li-ion chemistries for PHEVs and EVs identifies opportunities for improving environmental profile of batteries

Green Car Congress

JUNE 30, 2013

life-cycle study of three Li-ion battery chemistries for plug-in hybrid (PHEV) and battery-electric (BEV) vehicles generated a number of findings and identified opportunities for improving the environmental profile of Li-ion batteries for use in plug-in and electric vehicles. A recent Abt Associates, Inc. Click to enlarge. Click to enlarge.

Li-ion

Li-ion PHEV Batteries Battery

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

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. For the study, they used a GM 2002 1.7 Emission rates for the 1.7 L engines at idle.

Pollution

Pollution Diesel Emissions Engine

Automakers agree on common plug to recharge electric vehicles

Tony Karrer Delicious EVdriven

APRIL 20, 2009

This SAE spec would make it so you could go to a gas station and they would have the proper voltage and plug for your car. but its never even been close to the amount of garbage that gas power vehicles produce. This would be like all laptop makers agreeing on the same plug to fit in all laptops. excluding coal power in china.

Recharge

Recharge Plug Electric Vehicles 2009

EV Driven

Studies find global COVID-19 lockdowns have significantly reduced PM2.5 and NO2 pollution, but ozone up

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

Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

PSI team develops web tool for consumers to compare environmental impact of passenger cars in detail

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

NASA GISS Study Finds That Methane Has an Elevated Warming Effect Due to Interactions With Aerosols

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

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

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

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

NOAA Study Identifies Nitrous Oxide as Top Ozone-Depleting Emission in 21st Century

MIT study finds including non-CO2 emissions from synthetic aviation fuel in lifecycle analysis of climate impact can lead to decrease in relative environmental merit; need for a holistic analysis framework

Up close and personal with Volkswagen’s e-Golf carbon offset project: Garcia River Forest

Abt life-cycle analysis of different Li-ion chemistries for PHEVs and EVs identifies opportunities for improving environmental profile of batteries

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

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

Automakers agree on common plug to recharge electric vehicles

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