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

Green Car Congress

The study, published as an open-access paper in the journal Environmental Pollution , examined trends in air pollution over a ten-year period spanning 2005 to 2014, using data collected from 65 roads. Overall, there was a decrease in total traffic between 2005 and 2014, mainly explained by the reduction in cars and taxis.

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Study of In-use Vehicle Activity and Emissions in Tianjin, China Yields Fleet and Emissions Profiles, Policy Implications

Green Car Congress

Despite the fact that China has made much progress in setting up standards regulating new vehicle emissions and fuel quality, the understanding of environmental performance of in-use vehicles has been rather poor. 13% of passenger cars and 35% of taxis were still using carburetors. million miles) per day. million miles) per day.

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