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Peking University team develops method for modeling historical global black carbon emissions from motor vehicles with reduced uncertainty

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Geographical distributions of global BC emissions from motor vehicles in 1976 (A) and 2006 (B). In addition to a reduction in uncertainty, their new model can be used to develop a global on-road vehicle BC emission inventory with spatial and temporal resolution, the researchers suggest. Credit: ACS, Wang et al. Click to enlarge.

Universal 218
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New Jersey advancing plug-ins: 330K units by end of 2025, 2M by 2035, 85% of new vehicles by 2040

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The New Jersey Legislature just passed the most significant legislation in more than 15 years to reduce air pollutants and global warming pollution from our cars and trucks since the passage of the Clean Cars bill in 2004. —Doug O’Malley, President of ChargEVC and Director of Environment New Jersey.

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Study Concludes Warming Climate Will Increase Ozone Levels in Major California Air Basins; Climate Change and Regional Air Quality Are Intertwined Problems

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Authors of the study found that California could experience as many as 6 to 30 more days with ozone concentrations that exceed federal clean-air standards, depending on the extent of increased temperatures and assuming criteria-pollutant emissions in California remain at 1990-2004 levels. Kleeman of UC Davis, lead author.

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DISCOVER-AQ project to begin flights to enhance measurement of ground-level air-quality from space

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The flights will be supported by the US Environmental Protection Agency (EPA) and will aid EPA in monitoring pollutants. The fundamental challenge for satellites measuring air quality is to distinguish between pollution near the surface and pollution higher in the atmosphere. Measuring pollution from space.

Ozone 186
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Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

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Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. Determining effective strategies for mitigating surface ozone (O 3 ) pollution requires knowledge of the relative ambient concentrations of its precursors, NO x , and VOCs. —Jin et al.

Ozone 150
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Study Highlights the Importance of Considering Climate Effects of Non-CO2 Emissions from Transport in Mitigation Strategies and Policies

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Radiative forcing from the global and US ORT and PG sectors. The on-road transportation (ORT) and power generation (PG) sectors are major contributors to CO 2 emissions and a host of short-lived radiatively-active air pollutants, including tropospheric ozone and fine aerosol particles, that exert complex influences on global climate.

Climate 150
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High Performance Computing key enabler for accelerating development of high efficiency engines

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Low emission, low temperature engine concepts of the future operate in regimes where combustion is poorly understood. In an effort to reliably predict efficiency and pollutant emissions for new engines and fuels, computer simulations are used to study fundamental turbulence-chemistry interactions. Wagner and Pannala. Click to enlarge.

Engine 291