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Toyota develops tropospheric ozone-concentration simulator for South and East Asia

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Toyota Motor Corporation (TMC) and Toyota Central R&D Labs., have developed a simulator able to predict tropospheric ozone concentrations across the whole of South and East Asia. Tropospheric ozone is the main cause of photochemical smog, an atmospheric pollutant harmful to human health and plant growth.

Ozone 199
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Researchers fully characterize reaction that affects ground-level ozone formation; a small but significant impact on predictive models

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The two combine in the atmosphere to make either nitric acid or peroxynitrous acid; the so-called branching ratio of these two chemicals is important in models of ozone production. —lead author and former Caltech graduate student Andrew Mollner, Aerospace Corporation. Credit: Caltech/Mitchio Okumura. Click to enlarge.

Ozone 210
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HEI study in Europe finds evidence of health effects at lower levels of air pollution

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In the report, the investigators describe the development of new exposure models for all of Europe for four pollutants: fine particulate matter (PM 2.5 ), black carbon (BC), nitrogen dioxide (NO 2 ), and ozone (O 3 ), as well as PM 2.5 particle composition. Initial results were published in 2019 and Phase 2 results are under review.

Pollution 313
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HEI launches two new non-tailpipe particulate emission studies

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The Health Effects Institute is a non-profit corporation chartered in 1980 to provide high-quality, impartial, and relevant science on the health effects of air pollution. Define the relationship between NTP PM and the induction of Th2 and Th17 type inflammation in the asthmatic airway.

Emissions 353
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US reaches $1.5B settlement with Daimler AG over emissions cheating in Mercedes-Benz diesels; civil penalty of $875M

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The company will also extend the warranty period for certain parts in the repaired vehicles, perform projects to mitigate excess ozone-creating nitrogen oxides (NO x ) emitted from the vehicles, and implement new internal audit procedures designed to prevent future emissions cheating. million in other penalties.

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USDOT FTA announces $182M in Low-No grants for transit vehicles & facilities nationwide

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The project also supports RTC’s efforts to transition its aging diesel bus fleet to zero emission vehicles to reduce energy consumption and greenhouse gas emissions in an area where ozone levels currently exceed air quality targets. Delaware Transit Corporation. Chicago Transit Authority (CTA). City of Fayetteville (NC).

Grant 199
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TERP awards Vision Industries and project partners $500K to support Texas’ first public hydrogen fueling station

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Vision Industries Corporation, Environmental Defense Fund (EDF), Air Products and project partners were recently awarded $500,000 from the Texas Emission Reduction Program (TERP) partially to fund the building of the first public hydrogen fueling station in the state.

Hydrogen 218