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Volume 16, issue 10
Atmos. Chem. Phys., 16, 6609–6626, 2016
https://doi.org/10.5194/acp-16-6609-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 16, 6609–6626, 2016
https://doi.org/10.5194/acp-16-6609-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 31 May 2016

Research article | 31 May 2016

Effectiveness of replacing catalytic converters in LPG-fueled vehicles in Hong Kong

Xiaopu Lyu et al.

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Cited articles

Barletta, B., Meinardi, S., Simpson, I. J., Khwaja, H. A., Blake, D. R., and Rowland, F. S.: Mixing ratios of volatile organic compounds (VOCs) in the atmosphere of Karachi, Pakistan, Atmos. Environ., 36, 3429–3443, 2002.
Blake, D. R. and Rowland, F. S.: Urban Leakage of Liquefied Petroleum Gas and Its Impact on Mexico City Air Quality, Science, 269, 953-956, 1995.
Borbon, A., Locoge, N., Veilerot, M., Galloo, J. C., and Guillermo, R.: Characterization of NMHCs in a French urban atmospheric: overview of the main sources, Sci. Total Environ., 292, 177–191, 2002.
Brown, S. G., Frankel, A., and Hafner, H. R.: Source apportionment of VOCs in Los Angeles area using positive matrix factorization, Atmos. Environ., 41, 227–237, 2007.
Carter, W. L. and Atkinson, R.: Computer modeling study of incremental hydrocarbon reactivity, Environ. Sci. Tech., 23, 864–880, 1989.
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In this study, the effectiveness of a LPG converter replacement program was evaluated. It was found that LPG-related VOCs and NOx decreased significantly due to the implementation of the program. Source apportionment also revealed the reduction of VOCs and NOx in LPG-fueled vehicle exhaust. From before to during the program, O3 increased slightly, mainly due to the reduction of NOx in LPG-fueled vehicle exhaust. To retain zero O3 increment, the lowest reduction ratio of VOCs / NOx was determined.
In this study, the effectiveness of a LPG converter replacement program was evaluated. It was...
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