Articles | Volume 16, issue 10
https://doi.org/10.5194/acp-16-6609-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-6609-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Effectiveness of replacing catalytic converters in LPG-fueled vehicles in Hong Kong
Xiaopu Lyu
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong
Isobel J. Simpson
Department of Chemistry, University of California at Irvine, Irvine, CA, USA
Simone Meinardi
Department of Chemistry, University of California at Irvine, Irvine, CA, USA
Peter K. K. Louie
Environmental Protection Department, Hong Kong Special Administrative
Region, Hong Kong
Zhenhao Ling
School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou,
China
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong
Ming Liu
Department of Civil and Environmental Engineering, The Hong Kong
Polytechnic University, Hong Kong
Connie W. Y. Luk
Environmental Protection Department, Hong Kong Special Administrative
Region, Hong Kong
Nan Wang
Guangdong Provincial Key Laboratory of Regional Numerical Weather
Prediction, Institute of Tropical and Marine Meteorology, Guangzhou, China
Donald R. Blake
Department of Chemistry, University of California at Irvine, Irvine, CA, USA
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45 citations as recorded by crossref.
- In Situ Measurements of Molecular Markers Facilitate Understanding of Dynamic Sources of Atmospheric Organic Aerosols X. Lyu et al. 10.1021/acs.est.0c02277
- Source apportionment of hourly-resolved ambient volatile organic compounds: Influence of temporal resolution Z. Li et al. 10.1016/j.scitotenv.2020.138243
- Long-term O<sub>3</sub>–precursor relationships in Hong Kong: field observation and model simulation Y. Wang et al. 10.5194/acp-17-10919-2017
- Hong Kong vehicle emission changes from 2003 to 2015 in the Shing Mun Tunnel X. Wang et al. 10.1080/02786826.2018.1456650
- Remarkable Spring Increase Overwhelmed Hard-Earned Autumn Decrease in Ozone Pollution from 2005 to 2017 in Hong Kong, South China H. Guo et al. 10.2139/ssrn.3994604
- Air monitoring with passive samplers for volatile organic compounds in atmospheres close to petrochemical industrial areas. The case study of Tarragona (2019–2021) L. Vallecillos et al. 10.1016/j.apr.2023.101986
- Nepal Ambient Monitoring and Source Testing Experiment (NAMaSTE): emissions of trace gases and light-absorbing carbon from wood and dung cooking fires, garbage and crop residue burning, brick kilns, and other sources C. Stockwell et al. 10.5194/acp-16-11043-2016
- A remote sensing emissions monitoring programme reduces emissions of gasoline and LPG vehicles B. Organ et al. 10.1016/j.envres.2019.108614
- The characteristics and sources of roadside VOCs in Hong Kong: Effect of the LPG catalytic converter replacement programme L. Cui et al. 10.1016/j.scitotenv.2020.143811
- The Human Exposure Potential from Propylene Releases to the Environment D. Morgott 10.3390/ijerph15010066
- Tracking separate contributions of diesel and gasoline vehicles to roadside PM<sub>2.5</sub> through online monitoring of volatile organic compounds and PM<sub>2.5</sub> organic and elemental carbon: a 6-year study in Hong Kong Y. Wong et al. 10.5194/acp-20-9871-2020
- Impact of NOx reduction on long-term surface ozone pollution in roadside and suburban Hong Kong: Field measurements and model simulations L. Zeng et al. 10.1016/j.chemosphere.2022.134816
- Investigation of the multi-year trend of surface ozone and ozone-precursor relationship in Hong Kong X. Feng et al. 10.1016/j.atmosenv.2023.120139
- Remarkable Spring Increase Overwhelmed Hard-Earned Autumn Decrease in Ozone Pollution from 2005 to 2017 in Hong Kong, South China Y. Zeren et al. 10.2139/ssrn.3975616
- Temporal variations and source apportionment of volatile organic compounds at an urban site in Shijiazhuang, China Y. Guan et al. 10.1016/j.jes.2020.04.022
- Emissions of nitrogen oxides and volatile organic compounds from liquefied petroleum gas-fueled taxis under idle and cruising modes J. Feng et al. 10.1016/j.envpol.2020.115623
- Research progresses on VOCs emission investigationsviasurface and satellite observations in China X. Li et al. 10.1039/D2EM00175F
- Evidence for Reducing Volatile Organic Compounds to Improve Air Quality from Concurrent Observations and In Situ Simulations at 10 Stations in Eastern China X. Lyu et al. 10.1021/acs.est.2c04340
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- Ozone Formation at a Suburban Site in the Pearl River Delta Region, China: Role of Biogenic Volatile Organic Compounds J. Wang et al. 10.3390/atmos14040609
- Photochemistry of Volatile Organic Compounds in the Yellow River Delta, China: Formation of O3 and Peroxyacyl Nitrates Y. Lee et al. 10.1029/2021JD035296
- Trends in onroad transportation energy and emissions H. Frey 10.1080/10962247.2018.1454357
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- Evaluating the effectiveness of joint emission control policies on the reduction of ambient VOCs: Implications from observation during the 2014 APEC summit in suburban Beijing K. Li et al. 10.1016/j.atmosenv.2017.05.050
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Latest update: 23 Nov 2024
Short summary
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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