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Journal ArticleDOI: 10.1080/01441647.2020.1800132

Transitioning to zero-emission bus fleets: state of practice of implementations in the United States

04 Mar 2021-Transport Reviews (Routledge)-Vol. 41, Iss: 2, pp 164-191
Abstract: Several states and transit agencies have recently introduced zero-emission buses (ZEBs) to their fleets, including battery electric buses, fuel cell battery electric buses, and fuel cell plug-in hy...

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Topics: Fuel cell bus (65%), Fuel efficiency (56%), Battery (electricity) (56%) ... show more
Citations
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9 results found


Open accessBook
30 Jun 2008-

698 Citations


Open accessJournal ArticleDOI: 10.21307/TP-2021-009
Krzysztof Krawiec1Institutions (1)
15 Mar 2021-Transport Problems
Abstract: Battery electric buses (BEBs) are gaining ground in public transport, and the next decade is likely to witness a further...

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Topics: Battery (electricity) (56%), Public transport (50%)

3 Citations


Open accessDOI: 10.21949/1503508
01 Dec 2017-
Abstract: The Federal Transit Administration (FTA) is collaborating with the U.S. Department of Energy (DOE) and DOE’s National Renewable Energy Laboratory (NREL) to conduct in-service evaluations of advanced technology buses developed under its programs. In 2010, King County Metro transit agency in Seattle, Washington, received funding from a Transit Investments for Greenhouse Gas and Energy Reduction (TIGGER) award to add three zero-emission battery electric buses (BEBs) to its fleet.

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Topics: Battery (electricity) (58%), Zero emission (55%)

2 Citations


Open accessJournal ArticleDOI: 10.3390/EN14113295
04 Jun 2021-Energies
Abstract: The development of urban transport in recent years has become one of the most important issues related to improving the quality of life in Polish cities. Excessive pollution in the form of greenhouse gases and other harmful substances from buses affects people’s health as does the excessive noise. This article analysed the measures being taken to reduce emissions, and the results showed that it is possible to reduce CO2 emissions by more than 28 thousand megagrams (Mg) per annum. Policymakers in Poland should consider limiting electricity generation through coal combustion and recognize, at least temporarily, CNG/LNG-powered buses as low-carbon rolling stock and co-finance their purchase and the necessary infrastructure.

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Topics: Public transport (51%)

2 Citations


Open accessJournal ArticleDOI: 10.3390/MATH9161844
04 Aug 2021-
Abstract: Urban public transport systems must be economically efficient and additionally environmentally sustainable. Available decision support systems, including multiple criteria decision models, allow identifying which urban public transport vehicles are acceptable and those that should no longer be used in efficient and environmentally friendly cities. Previous research has ranked urban public transport vehicles by applying analytic hierarchy process multi-criteria decision-making models, from economic and non-polluting perspectives. However, until now, the types of vehicles acceptable for fleet renewal have not been identified. This study proposes a consistent combination of the ELECTRE TRI multiple criteria decision sorting method and the DELPHI procedure, the objective of which is to identify which urban public transport vehicles are acceptable, taking into consideration a suggested sustainable threshold, which includes economic and environmental strict requirements. The proposed model is based on 2020 Madrid urban public road transport data, published by Madrid City Council, which were compiled by the authors, and assessed by a panel of 20 experts to identify criteria and factors included in the model. Findings help local administrations to identify which urban public transport vehicles should be progressively replaced by those classified as economically efficient and additionally environmentally sustainable.

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1 Citations


References
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42 results found


Journal ArticleDOI: 10.1109/TIE.2008.918390
Srdjan Lukic1, Jian Cao1, Ramesh C. Bansal2, Fernando Rodriguez1  +1 moreInstitutions (2)
Abstract: The fuel efficiency and performance of novel vehicles with electric propulsion capability are largely limited by the performance of the energy storage system (ESS). This paper reviews state-of-the-art ESSs in automotive applications. Battery technology options are considered in detail, with emphasis on methods of battery monitoring, managing, protecting, and balancing. Furthermore, other ESS candidates such as ultracapacitors, flywheels and fuel cells are also discussed. Finally, hybrid power sources are considered as a method of combining two or more energy storage devices to create a superior power source.

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Topics: Energy storage (59%), Hybrid power (54%), Battery (electricity) (54%) ... show more

885 Citations


Open accessBook
30 Jun 2008-

698 Citations



Journal ArticleDOI: 10.1016/J.RSER.2016.05.019
Abstract: Evidence suggests that the role of electric buses in public transit is important if we are to take steps to reduce climate change and the environmental impacts of fossil fuels. Several electric alternatives are currently operationalized, and the debate about which is most suitable is attracting considerable attention. This article provides a detailed review of various performance features for three categories of electric buses: hybrid, fuel cell, and battery. Economic, operational, energy, and environmental characteristics of each technology are reviewed in detail based on simulation models and operational data presented by various scholars in different contexts. The study develops a holistic assessment of electric buses based on side-by-side comparison of 16 features that best inform the decision making process. The review indicates that the selection process of electric technology is highly sensitive to operational context and energy profile. In addition, it highlights that hybrid buses will not provide a significant reduction in GHG and would be suitable only for short-term objectives as a stepping-stone towards full electrification of transit. Battery and fuel cell buses are arguably capable of satisfying the current operational requirements, yet initial investment remains a major barrier. Overnight Battery Electric Bus is advocated as the most suitable alternative for bus transit contexts given the expected improvements in battery technology and the trend to utilize sustainable sources in electricity generation.

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189 Citations


Journal ArticleDOI: 10.1016/J.ENERGY.2016.03.075
01 Jul 2016-Energy
Abstract: This paper evaluates the lifecycle costs and carbon dioxide emissions of different types of city buses. The simulation models of the different powertrains were developed in the Autonomie vehicle simulation software. The carbon dioxide emissions were calculated both for the bus operation and for the fuel and energy pathways from well to tank. Two different operating environment case scenarios were used for the primary energy sources, which were Finland and California (USA). The fuel and energy pathways were selected appropriately in relation to the operating environment. The lifecycle costs take into account the purchase, operating, maintenance, and possible carbon emission costs. Based on the simulation results, the energy efficiency of city buses can be significantly improved by the alternative powertrain technologies. Hybrid buses have moderately lower carbon dioxide emissions during the service life than diesel buses whereas fully-electric buses have potential to significantly reduce carbon dioxide emissions, by up to 75%. The lifecycle cost analysis indicates that diesel hybrid buses are already competitive with diesel and natural gas buses. The high costs of fuel cell and battery systems are the major challenges for the fuel cell hybrid buses in order to reduce lifecycle costs to more competitive levels.

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Topics: Diesel fuel (55%), Efficient energy use (51%)

179 Citations


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