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Contribution of motor vehicle emissions to surface ozone in urban areas: A case study in Beijing

Key words: Surface ozone, air pollution, motor vehicle emissions, source contribution, Beijing

SUMMARY

Surface ozone (O^sub 3^) pollution, a critical environmental challenge facing government agencies at all levels, is becoming more and more serious in China, especially in rapidly developing urban areas like Beijing. However, in China, few studies have evaluated the contribution of various pollution sources to surface O^sub 3^, e.g. motor vehicles. In this paper, we combined a non-linear model with an analysis of motor vehicle emissions of NO^sub x^ and VOCs in an integrated approach to estimate the contribution of motor vehicle emissions to surface O^sub 3^. The model showed that, in urban ...

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