Emission characterization and co-benefits of bus rapid transit: A case study in Hanoi, Vietnam

Nguyen, Yen-Lien T.; Nghiem, Trung-Dung; Le, Anh Tuan; Duc, Khanh Nguyen; Nguyen, Duy–Cuong

doi:10.1016/j.apr.2021.101148

Cited by 9 publications

(6 citation statements)

References 31 publications

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“…To explore efficient tactics for diminishing GHG and specific air pollutant emissions within the urban transportation sector, a vehicle emission model has been formulated as a valuable instrument for conducting assessments of vehicle emission inventories in diverse developing Asian urban areas, such as Hanoi, Vietnam [54]; Bandung, Indonesia [55]; alongside cities in Ecuador [38,56] and India [57].…”

Section: Methodsmentioning

confidence: 99%

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Assessing the Additional Benefits of Thailand’s Approaches to Reduce Motor Vehicle Emissions

Thanatrakolsri,

Sirithian

2024

Energies

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Air pollutants and greenhouse gases (GHGs) represent major challenges in our era, contributing to climate change and global health issues. These problems arise from a variety of well-known sources, including motor vehicles. Almost all nations, Thailand included, have formulated and implemented policies to curb greenhouse gas (GHG) emissions in line with the requirements and commitments of the Paris Agreement. The evaluation of specific air pollutants and GHG emissions originating from road vehicles utilises the Thailand database, referencing the year 2019. Data intersections from 2019 to 2022 are grounded in actual data collected from relevant departments in Thailand, while projections for 2023–2030 are forecasted based on the baseline year. The secondary database used in the International Vehicle Emission model is adjusted according to real-world driving data to accurately reflect country-specific emission factors. Dynamic emission factors for specific air pollutants and GHGs are evaluated and integrated with the average Vehicle Kilometres Travelled (VKT) for each vehicle category. The Business-As-Usual (BAU) scenario is then examined, based on existing policies aimed at reducing air pollutants and GHG emissions in Thailand’s transport sector. These policies include strategies for the adoption of electric vehicles and the promotion of public transport to reduce VKT. Under the BAU scenario, the overall number of road vehicles in Thailand, including passenger cars, motorcycles, pickups, vans, trucks, and buses, is expected to increase by approximately 6.58% by 2030, leading to a rise in specific air pollutants and GHG emissions compared to the 2019 baseline. However, by adhering to Thailand’s strategies and transitioning to new electric passenger cars and buses, greenhouse gas emissions and specific air pollutants from the road transport sector will be significantly reduced.

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Section: Methodsmentioning

confidence: 99%

“…However, the total VKT during the base year was the highest for passenger cars, followed by pickups, motorcycles, trucks, buses, and vans, respectively. This discrepancy can be attributed to the number of vehicles, which affects the assessment of the emission inventory [24,54].…”

Section: Vkt Estimationmentioning

confidence: 99%

Assessing the Additional Benefits of Thailand’s Approaches to Reduce Motor Vehicle Emissions

Thanatrakolsri,

Sirithian

2024

Energies

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“…El estudio de Bel y Holst (2018) ofrece el análisis empírico más completo para México y sostiene que la entrada en servicio de la primera línea en la Ciudad de México redujo las concentraciones del CO, NOX y PM10. Otros estudios como el de Salehi et al (2016a) y Nguyen et al (2021)the environmental efficiency of the bus rapid transit (BRT tienen resultados similares; coinciden en la reducción de los contaminantes atmosféricos (CO, SO2 y PM10) luego de la implementación del BRT.…”

Section: Estudios De Movilidad Sostenible Y Disminución De La Contami...unclassified

Movilidad urbana sostenible, una alternativa para la contaminación atmosférica en el Área Metropolitana de Guadalajara

Rodríguez

Portugal

2022

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The objective of this paper is to evaluate whether the low-carbon transport strategy (subway, rapid transit bus system -Macrobús-, trolleybus, and shared bicycles) implemented in the Guadalajara Metropolitan Area (AMG) from 2000 to 2019 improves air quality. Sustainable urban mobility is the movement of people in cities in a way that generates the least impact on the environment. We analyze three actions of government intervention in the same sense. This is the first study for Guadalajara, the third-largest city in Mexico. We use robust Newey-West estimators and endogenously model pollution disruptions using the Bai Perron approach. Our results suggest that this type of public transport reduces SO2, NO2, O3, and CO, though we find an increase in PM10. We also identified that when the service of the first line of the Bus Rapid Transit was consolidated CO, O3 and PM10 decreased. In addition, the improvement in the connectivity of the bus network with the subway means that only NO2 diminished. Finally, the entry into operation of the shared bicycle program reduced PM10, while increasing O3 and in SO2. In short, sustainable urban mobility is an alternative to making the transit of people efficient, while mitigating air pollution in the AMG.

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“…The implementation of BRT is predicted to reduce air pollutant emissions due to the high load of passengers within a single-vehicle. In Hanoi, replacing regular buses with BRT is predicted to reduce pollutant emissions by 17 -23% with almost the same driving characteristics (Nguyen et al, 2021). In Tehran, with a unique route, the BRT scenario can reduce CO emissions by 1.5 -2 g/km and PM by 1.5 -1.8 g/km (Abbasi et al, 2020).…”

Section: Air Pollutant Emissionmentioning

confidence: 99%

Bus Rapid Transport System in Semarang City: Views of Current Users, Potential Users and Related Emission

et al. 2022

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Abating the air emission related to the transportation sector by operation of the Bus Rapid Transport (BRT) system has been adopted in Indonesia. This study was conducted to obtain an overview of the implementation of BRT, the success of shifting private vehicles to BRT, and the number of emissions resulting from the operation of BRT. The study was conducted using a questionnaire and observations in BRT vehicles. A questionnaire survey was conducted randomly across Semarang sub-districts for 701 private vehicles consisting of cars and motorcycles in a parking lot. Questionnaires were distributed to BRT users in the waiting room and among those who left the BRT. The emission quantity is obtained from GPS observations installed in the BRT and quantified by the emission generation equation based on the bus speed. Even though they are not BRT users for daily activities, motorcycle users use BRT more frequently than private car users. For the private car and motorcycle users, the BRT coverage area is the first barrier to using the BRT system, followed by travel time (due to congestion and traffic jams). Based on current BRT users, the shifting of motorcycle users is far higher than private car users. About 30% of public transport users (besides BRT) shift to BRT users. The BRT emissions (CO and TSP) in the east-west corridor on weekdays and weekends are higher than those in the south-north corridor. Based on this study's results, the BRT application has not significantly reduced the use of private vehicles. Instead, shifting occurs from former public transport to BRT. BRT emissions are related to traffic route conditions and topography. BRT implementation needs to comprehensively consider social, economic and technical (infrastructure) aspects.

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Emission characterization and co-benefits of bus rapid transit: A case study in Hanoi, Vietnam

Cited by 9 publications

References 31 publications

Assessing the Additional Benefits of Thailand’s Approaches to Reduce Motor Vehicle Emissions

Assessing the Additional Benefits of Thailand’s Approaches to Reduce Motor Vehicle Emissions

Movilidad urbana sostenible, una alternativa para la contaminación atmosférica en el Área Metropolitana de Guadalajara

Bus Rapid Transport System in Semarang City: Views of Current Users, Potential Users and Related Emission

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