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CARB to consider low NOx heavy-duty omnibus regulation on 27 August

Green Car Congress

The California Air Resources Board will consider the proposed Heavy-Duty Low NO x Omnibus Regulation on 27 August 2020. The proposed regulation is intended to ensure reductions in smog-forming NO x and protect communities most impacted by air pollution. On-road heavy-duty vehicles are an essential part of the state’s economy.

Standards 468
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Team finds high concentrations of combustion- and friction-derived magnetic air pollution nanoparticles in human hearts in Mexico City

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A 2016 study by Professor Maher and colleagues found abundant magnetite nanoparticles in brain tissue; magnetite is toxic and has been implicated in the production of reactive oxygen species (free radicals) in the human brain, which are associated with neurodegenerative diseases including Alzheimer’s disease. Cross, Imad A.M. 2019.108567.

Pollution 236
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Imaging study: air pollution impairs function of blood vessels in lungs

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Air pollution impairs the function of blood vessels in the lungs, according to a study of more than 16,000 patients presented at EuroEcho-Imaging 2016. The study examined the effect of air pollution on pulmonary haemodynamics (blood flow) in a population and in individuals. Increases in PM 10 and PM 2.5

Pollution 150
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The importance of considering non-exhaust traffic emissions; the role of EVs

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the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al.

Exhaust 150
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KCL study finds London air pollution from traffic improving, but continues to exceed limits in many parts of city

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New research by scientists at King’s College London suggests that air pollution from London’s roads is improving overall but more work may be needed to tackle some sources of traffic pollution, which continue to breach limits in many parts of the city. No data was available to compare trends in ΔPM 2.5 between the two periods.

London 150
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New statistical method to detect ozone pollution hot spots and monitor instrument failure; combining PCA and MEWMA

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The method could be used as an automatic tool, and could act as an early warning system for dangerous pollution levels and potential technical problems, said Assistant Professor Ying Sun from the University’s Computer, Electrical and Mathematical Science and Engineering Division. Khadraoui, S. &

Ozone 150
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EPA issues a second notice of violation to Volkswagen alleging emissions cheating in MY 2014-2016 3.0L diesels

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liter engines for model years (MY) 2014 through 2016 that results in increased NO x emissions of up to nine times EPA’s standard. The vehicles covered by the new NOV are the diesel versions of the 2014 VW Touareg, the 2015 Porsche Cayenne, and the 2016 Audi A6 Quattro, A7 Quattro, A8, A8L, and Q5. Earlier post.). Earlier post.).

EPA 150