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Tomáš Settey
Department of Road and Urban Transport, Faculty of Operation and Economics of Transport and Communications, University of Žilina, 010 26 Žilina, Slovakia

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Journal article
Published: 11 May 2021 in Sustainability
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Before the COVID-19 pandemic there had already been an increase in individual shipment transportation including inner-city areas. During the pandemic and implementation of adopted preventive measures, it has increased by more than 100% in some cities. This presents an unsustainable development, particularly in terms of urban environment. The above-mentioned development has accelerated the research related to optimal allocation of logistics centres considering the last-mile distribution. Unfortunately, the theoretical mathematical model that finds an optimal urban logistics centre location based on the matrix of distance, number, and weight of shipments is not applicable in most cities. Therefore, the following research methodology was chosen in accordance with the approved territorial plan. The authors considered those locations in Bratislava—the capital of Slovak Republic—which are designated, or suitable for building up of an urban logistics centre. These localities were afterwards evaluated in a real-world case study employing methods of mathematical programming (linear programming), the nearest neighbour method, and the Clarke-Wright method. The presented methodology can be applied not only when deciding on the appropriate location of the city logistics centre, but also at optimizing the vehicle routing problem. Taking into account the urban logistics sustainability and the e-commerce growth, it was analysed whether the suggested location of urban logistics centre is feasible to provision examined facilities using electric vehicles. The range of considered electric vehicles of N2 category present in the market tends to be at the limits of distribution routes length for the given case study. Therefore, the article also deals with the fast-charging possibilities of vehicles during handling operations and the use of hybrid freight vehicles in city logistics.

ACS Style

Tomáš Settey; Jozef Gnap; Dominika Beňová; Michal Pavličko; Oľga Blažeková. The Growth of E-Commerce Due to COVID-19 and the Need for Urban Logistics Centers Using Electric Vehicles: Bratislava Case Study. Sustainability 2021, 13, 5357 .

AMA Style

Tomáš Settey, Jozef Gnap, Dominika Beňová, Michal Pavličko, Oľga Blažeková. The Growth of E-Commerce Due to COVID-19 and the Need for Urban Logistics Centers Using Electric Vehicles: Bratislava Case Study. Sustainability. 2021; 13 (10):5357.

Chicago/Turabian Style

Tomáš Settey; Jozef Gnap; Dominika Beňová; Michal Pavličko; Oľga Blažeková. 2021. "The Growth of E-Commerce Due to COVID-19 and the Need for Urban Logistics Centers Using Electric Vehicles: Bratislava Case Study." Sustainability 13, no. 10: 5357.

Journal article
Published: 28 July 2020 in Energies
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Diesel is the most used fuel for buses and other urban transport vehicles in European countries. This paper deals with impacts on emissions production from the operation of the urban public transport fleet after its renewal. To what extent can the renewal of the urban public transport fleet in the city of Žilina contribute to increasing environmental sustainability in the way of reducing air pollution? The vehicle fleet change has partially consisted of vehicle traction system transition-diesel buses were substituted by hybrid driven (HEV) and electric driven buses (BEV). How can the direct and indirect emissions from the operation of vehicles be calculated? These were the posed research questions. The research aimed to propose a methodology for the calculation of direct and indirect emissions. Indirect emissions values (WtT—Well-to-Tank) for different types of fuels and tractions were obtained based on regression functions. These WtT emission factors together with the existing TtW (Tank-to-Wheels) emission factors (direct emissions) can be used for the assessment of environmental impacts of specific types of vehicles concerning energy source, fuel, or powertrain and type of operation. Direct pollutants such as CO, NOx and PM were calculated with the use of simulation methodology of HBEFA (Handbook of Emission Factors for Road Transport) software. The calculated CO2 savings for the period 2019–2023 about fleet renewal in absolute terms are EUR 1.3 million tons compared to the operation of the original fleet while maintaining the same driving performance. The renewal of the vehicle fleet secured by vehicle traction transition can be a way to reduce the energy intensity and environmental impacts of public transport in Žilina.

ACS Style

Vladimír Konečný; Jozef Gnap; Tomáš Settey; František Petro; Tomáš Skrúcaný; Tomasz Figlus. Environmental Sustainability of the Vehicle Fleet Change in Public City Transport of Selected City in Central Europe. Energies 2020, 13, 3869 .

AMA Style

Vladimír Konečný, Jozef Gnap, Tomáš Settey, František Petro, Tomáš Skrúcaný, Tomasz Figlus. Environmental Sustainability of the Vehicle Fleet Change in Public City Transport of Selected City in Central Europe. Energies. 2020; 13 (15):3869.

Chicago/Turabian Style

Vladimír Konečný; Jozef Gnap; Tomáš Settey; František Petro; Tomáš Skrúcaný; Tomasz Figlus. 2020. "Environmental Sustainability of the Vehicle Fleet Change in Public City Transport of Selected City in Central Europe." Energies 13, no. 15: 3869.

Journal article
Published: 20 March 2020 in Transportation Research Procedia
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The paper includes the results of the research, which deals with the comparison of monitored parameters on air passenger transport and international bus transport. The main parameters, which we compared are the price level of transport relations from the passenger’s point of view and the emission footprint for various transport relations. The paper is the response to the increasing trend in the number of passengers in air transport in the Slovak Republic in recent years. The paper also responds to the expansion of the international bus transport network, which is also observable in the Slovak Republic. The main scientific question is whether is effective to replace international bus routes with air passenger lines. The contribution of the paper is an objective assessment of the efficiency of the operation of various transport relations in terms of the mode of transport used. The research results published in the paper can be used as a basis for assessing the efficiency of air and bus transport lines in individual transport relations.

ACS Style

Tomáš Settey; Jozef Gnap. Comparison of Price and Emission Levels of Air Passenger Transport and International Bus Transport in the Slovak Republic. Transportation Research Procedia 2020, 44, 129 -136.

AMA Style

Tomáš Settey, Jozef Gnap. Comparison of Price and Emission Levels of Air Passenger Transport and International Bus Transport in the Slovak Republic. Transportation Research Procedia. 2020; 44 ():129-136.

Chicago/Turabian Style

Tomáš Settey; Jozef Gnap. 2020. "Comparison of Price and Emission Levels of Air Passenger Transport and International Bus Transport in the Slovak Republic." Transportation Research Procedia 44, no. : 129-136.