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Assessment of different methods in analyzing motor vehicle emission factors

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Abstract

To explore the emission characteristics of vehicle’s pollutants is of great significance to prevent and control the diffusion of pollutants. Limited by geographic location and economic condition, the model- and guideline-based studies on vehicle’s emission factor have become more concerned measures than the actual measurement. By analyzing the actual operating conditions of motor vehicles, this study obtains the emission factors of typical pollutants from different motor vehicles by adopting international vehicle emission (IVE) model and guideline method, respectively. Furthermore, the resulting emission factors by the above methods were compared and analyzed with on-road method. The results show that: (1) the emission factors of vehicle pollutants change regularly with velocity, emission standard, and accumulated mileage. Taking CO as an example, its emission factor shows a downward trend with the increase of velocity and emission standard and an upward trend with the increase of accumulated mileage; (2) compared with the actual measurement, the vehicle emission factor obtained by the guideline method has a large error, while the IVE model is close to the actual.

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Data and material are available for research purpose and for reference.

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Funding

This work was supported by the Based Research Projects of National Natural Science Foundation of China (41871212; 41871204), the Based Research Projects of Northeastern University (N2025008), National Project of Key Research and Development Plan (2017YFC0212303-03).

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Contributions

Chengkang Gao and Hongming Na conceived and designed the study. Chengkang Gao critically revised the manuscript and approved the final version. Hongming Na wrote the manuscript and interpreted the results. Kaihui Song critically edited and revised the manuscript. Qingjiang Xu executed the experiment and compiled the data collection.

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Correspondence to Chengkang Gao.

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Ethical approval was taken from the SEP Key Laboratory of Eco-Industry, Northeastern University to conduct the study, and no animal was harmed in this study. This manuscript has not been published or presented elsewhere in part or in entirety.

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All the authors agreed to publish this article in Environmental Science and Pollution Research.

Competing interests

The authors declare no competing interests.

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Responsible Editor: Philippe Garrigues

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Gao, C., Na, H., Song, K. et al. Assessment of different methods in analyzing motor vehicle emission factors. Environ Sci Pollut Res 29, 75441–75454 (2022). https://doi.org/10.1007/s11356-022-20869-9

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  • DOI: https://doi.org/10.1007/s11356-022-20869-9

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