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Toyota Central R&D Labs develops new ferrihydrite material that effectively removes ozone from air

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Comparison of O 3. In ozone processes for water cleaning and odor removal, e.g. smoke from vehicle interiors, it could catch the unreacted O 3.

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

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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.

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

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Comparison of annual N 2 O ODP-weighted emissions from the 1990s with emissions of other ODS in 1987 and in 2008. Source: Ravishankara et al.

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

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Renault’s comparison of the carbon footprint of EV and ICE vehicles over production, operation and end of life. The EV footprint (Fluence Z.E.)

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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

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In the months following a pulse of NO x in the upper atmosphere, ozone production is stimulated causing a short-term warming. Click to enlarge.

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Toyota to pioneer use of biosynthetic rubber in engine and drive system hoses

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Next month, Toyota will become the first automaker to use biohydrin, a newly-developed biosynthetic rubber product, in engine and drive system hoses.

EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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Most of this infrared radiation passes through the atmosphere, but some is absorbed by GHG molecules like CO 2 , methane, ozone and others.

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

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Our study quantifies how vehicle occupancy, fuel efficiency, and evaluation of climate impact over time affect comparisons across transport modes.

NOAA greenhouse gas index continues climbing; 1.29 in 2010

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It also includes several chemicals known to deplete Earth’s protective ozone layer, which are also active as greenhouse gases. —i.e.,

Study: Urban grime releases NOx when exposed to sunlight

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When in the air, these compounds may combine with volatile organic compounds to produce ozone, the main component of smog. In a subsequent laboratory comparison, they found that nitrate disappeared from grime 10,000 times faster than from a water-based solution when both were exposed to artificial sunlight. —James Donaldson.

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

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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. Jakober, 2008). Tests were performed under constant speed/varying load and under constant load/varying speed.

HEI study finds London Congestion Charging Scheme shows little evidence of improving air quality

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From their comparison of actual air pollutant measurements within the CCZ with those at control sites in Outer London, the investigators reported little evidence of CCS-related changes in pollutant levels at roadside monitoring sites, where their modeling had suggested the most pronounced effects would be seen. —Kelly et al. in PM 10.

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

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The main focus of the comparisons is on five environmental impact categories during production, use and recycling. Click to enlarge. Resources.

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

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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. A scatter plot of CO, as a tracer for pollution, versus CO 2 , as a tracer for the amount of combustion, for 2002 and 2010. ppbv/ppmv to 10.7

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

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And hydroxyls drive long chains of reactions involving other common gases, including ozone. Source: Shindell at al. Click to enlarge. Resources.

GISS study finds applying stricter non-CO2 vehicle emission standards worldwide would yield climate benefits in addition to major health and agricultural benefits

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million metric tons of avoided ozone-related yield losses of major food crops; $US0.6-2.4 While reductions in particulate matter tend to produce local health benefits, the scientists found health and agricultural benefits from reduced ozone disperse more widely. In comparison, the Northern Hemisphere has warmed by about 0.3°C

Sponsors of SAE Study Conclude HFO-1234yf Can Be Used As Low-GWP Global Replacement Refrigerant in MAC Systems

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HFO-1234yf is a non-Ozone Depleting Substance with a Global Warming Potential (GWP) of 4. In comparison, the current refrigerant, R-134a, has a GWP of 1,430. he report is the third SAE report to evaluate the new refrigerant. As part of the studies, the automotive industry conducted evaluations on a variety of vehicle applications.


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

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Comparison of the NO x data shows the dominant role of engine calibration on the tailpipe emissions of NO x. Credit: ACS, Hubbard et al.

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

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Comparison of the potential reduction in emissions with the application of lower sulfur 0.5% MARPOL Annex VI sets limits on NO x and SO x emissions from ship exhaust, and prohibits deliberate emissions of ozone-depleting substances. and 0.1% fuel for Arctic vessels assuming a low-growth scenario. Source: ICCT. Click to enlarge.

Emissions of Air Pollutants down in EU-27

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The downward emission trend of three main pollutants which cause ground-level ozone continued in 2007: carbon monoxide (CO) fell by 57%, non-methane volatile organic compounds (NMVOCs) were down by 47% and nitrogen oxides (NO x ) have dropped 36%. EU-27 emissions of all four pollutants were lower in 2007 than in 2006. and NMVOC. LRTAP.

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

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ozone, PM) problems may be less pressing. 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.

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

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Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. Emission rates for the 1.7 and 6.4 species?

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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A conventional battery pack using graphite anode with the same capacity was the a basis for comparison of the life cycle impact results. Life cycle impact benchmarking between LIB packs with SiNW and graphite anode. Units of the X-axis values are different and shown under each impact category name on Y-axis. Credit: ACS, Li et al. The 43.2

Automakers agree on common plug to recharge electric vehicles

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

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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. by Brian J. Donovan, CEO Renergie, Inc. This opinion piece originally appeared in the Field-to-Pump blog, published by Renergie, Inc. ]. of water. et al.