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UMD-led study finds China’s SO2 emissions down 75% since 2007, India’s up 50%; India may now be the top SO2 emitter

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Although China and India remain the world’s largest consumers of coal, a new University of Maryland-led study found that China’s sulfur dioxide emissions fell by 75% since 2007, while India’s emissions increased by 50%. The rapid decrease of sulfur dioxide emissions in China far exceeds expectations and projections.

India 170
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Study finds power law scaling relationship between urban population and NO2 pollution

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The approximate linear relationship for each region is notable, suggesting that the dependence of urban NO 2 pollution upon population follows a power law scaling with population. These regions contain two-thirds of total global anthropogenic NO x emissions. Credit: ACS, Lamsal et al. Click to enlarge. for India to 0.66

Pollution 261
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Satellite method provides insight into ozone-NOx-VOCs sensitivity for different locations

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These observations may also assist air quality managers in assessing the most effective approaches to emission reduction programs that will improve air quality. If emissions of that molecule are reduced, then ozone formation will be reduced—critical information for air quality managers.

Ozone 150
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Volvo Car outlines technological future: new Scalable Platform Architecture and focus on four-cylinder engines; Concept You

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SPA will combine what Volvo says will be the highest degree of high strength steel qualities in the industry to date with the extensive use of aluminum in the front structure, doors, chassis and power train. The engines will meet all known emissions legislation worldwide up to 2017. Concept You is an excellent example of this.

Volvo 246