Electric bus concept against to diesel and CNG bus for public transport operations

Topal, Orhan

doi:10.1109/sgcf.2017.7947612

Cited by 6 publications

(4 citation statements)

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“…This highlights the fact that fuel cell hybridelectric buses offer an optimum solution. In terms of uninterrupted and sustainable transportation, which is the fundamental element of public transportation, several uncertainties persist as to batteryelectric buses with high/low battery capacity and fast/slow charging systems, which has to do with both, authorities and operators (Topal, 2017).…”

Section: Fuel Cell Hybrid-electric Bus Concept and Potential Integrat...mentioning

confidence: 99%

Sustainable urban mobility in Istanbul: A financial assessment of fuel cell hybrid-electric buses in the metrobus system

Topal

2023

CT&F Cienc. Tecnol. Futuro

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As cities grow and become more populous, the demand for public transportation increases due to a need for authorities to expand their transportation capacity. However, the increased use of vehicles can cause environmental impacts such as air pollution, greenhouse gas emissions, and noise. To address these issues, governments and other stakeholders seek alternative transportation systems or technologies. This paper intends to assess the financial viability of using fuel cell hybrid-electric buses as an alternative transportation system for the Istanbul Metrobus System. The analysis is based on the Payback Period Method, which evaluates the costs and benefits of a project over its lifetime. The study compares the total operating costs of using fuel cell hybrid-electric buses to diesel and battery-electric buses. The study determined that fuel cell hybrid-electric buses can lead to a reduction in total operating costs of 81.1% compared to diesel buses and 56.3% compared to battery-electric buses. This analysis suggests that fuel cell hybrid-electric buses offer added value after approximately 9 years. The outcome of this study is significant as it can help stakeholders take informed decisions about the financial viability of alternative transportation systems. Furthermore, the financial model or approach used in this study can be useful for understanding how public transportation systems can be funded in the future.

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Section: Fuel Cell Hybrid-electric Bus Concept and Potential Integrat...mentioning

confidence: 99%

Sustainable urban mobility in Istanbul: A financial assessment of fuel cell hybrid-electric buses in the metrobus system

Topal

2023

CT&F Cienc. Tecnol. Futuro

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“…In Table 4 the values (costs are annual basis per vehicle per km) are given related with operation and infrastructure costs for different concepts .As will be appreciated there is no infrastructure installation cost for CNG tank revision concept but for retrofit concept the charge station infrastructure cost is 479,419.140 €. 3 However, on operating costs (fuel cost,maintenance & repairment and other operating costs); for fuel is 1,332,564.090 € on CNG concept and 542,776.900 € on Electric concept -retrofit- (for the unit prices of the relevant period according to the night tariff taken as basis 0 .056 Euro .). Also for maintenance & repair costs 527,819.450 € on CNG concept; 210,332.690 € on Electric concept -retrofit- concept (The maintenance and repair costs based on like new electric bus ).…”

Section: Ego Case Studymentioning

confidence: 99%

“…Electric cars sales for 2.6% of global automobile sales and approximately 1% of global automobile stocks. 3 New electric buses registered worldwide in 2019 decreased by 20% from 93,000 units to around 75,000 units compared to 2018. On the other hand, the total number of electric buses around the world increased by 17% in 2019 compared to 2018, reaching 513,000 in total.…”

Section: Introductionmentioning

confidence: 99%

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A novel on the retrofit from CNG buses to electric buses for rubber-tyred wheeled public transportation systems

Topal

2022

Proceedings of the Institution of Mechanical Engineers, Part D:

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The trend toward electric buses worldwide is increasing day by day. Along with it, sectoral infrastructure elements are developing rapidly. Electric buses offer advantages in terms of operating costs and environmental emission values. Despite this, the most important disadvantage is that the purchasing costs have not yet reached the expected level compared to other internal combustion engine buses. Many country and especially city-based targets have been determined for electric solutions in rubber-tyred public transportation systems in the world. Only in Shenzhen city of China, 100% transition to electric bus solution has been achieved in public transportation. In this study, a different perspective has been put forward for the acceleration of the transition to the use of electric buses and the increase in the prevalence of public transportation enterprises. The concept of retrofit. This is conversions of the conventional powered (diesel and CNG) buses into electric buses, which are currently used. For the concept in paper, the actual project costs for one of the world’s most important public transportation companies have been revealed. According to the analysis results obtained, for Payback Period (PB) method are based on a fleet of 100 vehicles in total, the return time of the investment required for the results based on this approach which retrofit from CNG to Electric, is calculated as 8.74 years. For the Payback Period (PB) approach, it has been concluded that for the 5 years, which is envisaged to be taken as a reference, retrofit concept (from CNG to Electric) should be based on 100000 € per vehicle based on the current operating conditions. This retrofit approach based on the concept of sustainable public transportation is expected to become widespread with the results obtained.

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Analytic hierarchy process for urban transportation: a bibliometric and social network analysis

Kenger

Özceylan

2023

Cent Eur J Oper Res

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Electric bus concept against to diesel and CNG bus for public transport operations

Cited by 6 publications

References 6 publications

Sustainable urban mobility in Istanbul: A financial assessment of fuel cell hybrid-electric buses in the metrobus system

Sustainable urban mobility in Istanbul: A financial assessment of fuel cell hybrid-electric buses in the metrobus system

A novel on the retrofit from CNG buses to electric buses for rubber-tyred wheeled public transportation systems

Analytic hierarchy process for urban transportation: a bibliometric and social network analysis

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