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Evolution of second-generation electromobility in public transport in Polish cities 波兰城市公共交通中第二代电动汽车的发展
Pub Date : 2023-03-31 DOI: 10.4467/2543859xpkg.23.002.17399
A. Kołoś, Łukasz Fiedeń, Jakub Taczanowski, Adam R. Parol, K. Gwosdz, R. Guzik, Jakub Łodziński
Transport activities are a significant factor in environmental pollution, especially in cities. Therefore, measures aimed at electrification of public transport are particularly important. The aim of the paper is to present the origins, status and development dynamics of electromobility in Polish cities, especially the second generation of electromobility, i.e. vehicles that do not require continuous connection to the energy source. In practice the second-generation electric vehicles can be identified with battery-powered vehicles, hydrogen and hybrid vehicles. The study was prepared on the basis of an analysis of literature, industry documents or development strategies. In addition, a database of information on zero- and low-emission vehicles in public transport (i.e. electric and hybrid buses) was compiled to analyse the phenomenon. The study shows that the implementation of electromobility in Poland has already emerged from the initial phase. The possibilities for developing battery technology vary in cities of different sizes. In 2021 in Poland, the share of low-emission buses in the public transport fleet was several times higher than that of electric vehicles among passenger vehicles. It is most likely that the Polish road to electromobility leads primarily through public transport. The following factors influencing the development of electromobility were identified: these were primarily EU and Polish legislation and regulations, the presence of manufacturers of rolling stock and electrotechnical equipment, and – at the local scale – organisational, economic and social issues.
交通活动是造成环境污染的一个重要因素,尤其是在城市。因此,旨在实现公共交通电气化的措施尤为重要。本文的目的是介绍波兰城市电动汽车的起源、现状和发展动态,特别是第二代电动汽车,即不需要持续连接能源的车辆。在实践中,第二代电动汽车可以被识别为电池动力汽车、氢动力汽车和混合动力汽车。该研究是在分析文献、行业文件或发展战略的基础上编制的。此外,还编制了一个关于公共交通中零排放和低排放车辆(即电动和混合动力公交车)的信息数据库,以分析这一现象。研究表明,电动汽车在波兰的实施已经从最初阶段开始。不同规模的城市发展电池技术的可能性各不相同。2021年,在波兰,低排放公交车在公共交通车队中的份额是电动汽车在乘用车中的数倍。波兰通往电动汽车的道路很可能主要通过公共交通。确定了以下影响电动汽车发展的因素:主要是欧盟和波兰的立法和法规、机车车辆和电工设备制造商的存在,以及地方层面的组织、经济和社会问题。
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引用次数: 0
On the Road to A Fare-Free Public Transport Policy: A Case Study of The Wroclaw Anarchist Federation 在通往免费公共交通政策的道路上:弗罗茨瓦夫无政府主义者联盟的案例研究
Pub Date : 2023-03-31 DOI: 10.4467/2543859xpkg.23.003.17400
D. Štraub
“Climate Alarm”, a position of Wroclaw public authorities, is an official recognition of issues linked to global climate changes highlighting the position of urban transport development on the sustainable development agenda. Wroclaw Anarchists Federation (WAF) has entered the debate over the further trajectory of the city by proposing the fare-free public transport policy (FFPT) as an instrument supporting the new path presented with the “Climate Alarm.” As the FFPT is being implemented for various reasons, this study uses the content and discourse analyses to explore not only the framing of the FFPT campaign but also how the call for FFPT adoption is set in motion. The WAF sees the FFPT as sustainable transport innovation, and their campaign is suitable for explaining the ecological and social rationale of the FFPT. However, it is not enough to shift the public discourse and mobilize public authorities to consider the FFPT as an option.
“气候警报”是弗罗茨瓦夫公共当局的一项立场,是对与全球气候变化相关问题的官方承认,突显了城市交通发展在可持续发展议程上的地位。弗罗茨瓦夫无政府主义者联合会(WAF)提出了免费公共交通政策(FFPT),作为支持“气候警报”提出的新路径的工具,从而进入了关于城市进一步发展轨迹的辩论,本研究使用内容和话语分析,不仅探讨了FFPT运动的框架,还探讨了采用FFPT的呼吁是如何发起的。WAF将FFPT视为可持续交通创新,他们的活动适合解释FFPT的生态和社会原理。然而,仅仅转移公众话语并动员公共当局将《公平竞争法》作为一种选择是不够的。
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引用次数: 0
Wyzwania zrównoważonej mobilności miejskiej na tle polityki miejskiej Unii Europejskiej: wybrane przykłady 欧洲联盟城市政策背景下可持续城市流动的挑战:选定的例子
Pub Date : 2023-03-31 DOI: 10.4467/2543859xpkg.23.001.17398
Martyna Sydorów
Celem artykułu jest zaprezentowanie koncepcji zrównoważonej mobilności miejskiej oraz przedstawienie jej umiejscowienia na tle europejskiej polityki miejskiej. Analizą objęto zakres związany z kwestią problematyki kształtowania zrównoważonego transportu w miastach. Szczególną uwagę poświęcono charakterystyce różnic pomiędzy zagadnieniami nowej kultury mobilności a klasycznym podejściem do polityki rozwoju transportu. Omówiono przykłady implementowania rozwiązań zrównoważonej mobilności w wybranych krajach zachodnioeuropejskich. Pogłębiona analiza jakościowa skupiła się jednak na dużych, polskich ośrodkach miejskich.Challenges of sustainable urban mobility in the context of European Union urban policy: case studies The aim of this article is to present the concept of sustainable urban mobility and to situate it in the context of European urban policy. The analysis covers the issue of shaping sustainable urban transport. Particular attention is paid to characterising the differences between the issues of the new mobility culture and the classic approach to transport development policy. Examples of the implementation of sustainable mobility solutions in selected western European countries are discussed. However, an in-depth qualitative analysis focused on large Polish urban centres.
本文的目的是提出可持续城市流动的概念,并在欧洲城市政策的背景下阐述其立场。该分析涵盖了与塑造城市可持续交通问题相关的范围。与会者特别注意说明新的流动文化问题与传统的交通发展政策方法之间的差异。讨论了在选定的西欧国家实施可持续流动解决方案的例子。然而,深入的定性分析侧重于波兰的大型城市中心。欧盟城市政策背景下可持续城市流动性的挑战:案例研究本文的目的是提出可持续城市流动的概念,并将其置于欧洲城市政策的背景下。该分析涵盖了塑造可持续城市交通的问题。特别注意描述新的流动文化问题与传统的交通发展政策方法之间的差异。讨论了在选定的西欧国家实施可持续流动解决方案的例子。然而,对波兰大型城市中心进行了深入的定性分析。
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引用次数: 0
Pasażerskie połączenia kolejowe jako element sieci powiązań międzynarodowych polskich regionów
Pub Date : 2023-03-31 DOI: 10.4467/2543859xpkg.23.006.17403
J. Majewski
Artykuł prezentuje, na przykładzie powiązań grupy miast pełniących rolę stolic regionów w Polsce i graniczących z nimi regionów zagranicznych, różnice pomiędzy powiązaniami infrastrukturalnymi a ofertą przewozową dostępną w transporcie kolejowym. Analiza poszczególnych relacji pozwala na porównanie potencjalnych i rzeczywistych możliwości realizacji podróży. Pierwsza część pracy opisuje metodę badań i wykorzystywane źródła oraz zawiera analizę potencjału infrastrukturalnego oraz rzeczywistej oferty przewozowej. Druga część przedstawia uporządkowane zestawienie parametrów połączeń realizowanych między miastami wojewódzkimi a stolicami sąsiadujących państw i regionów zagranicznych. W części trzeciej zaprezentowana została ocena i opis stopnia wykorzystania potencjału infrastrukturalnego. Całość zamyka podsumowanie, wskazujące na niską, w wielu przypadkach nieuzasadnioną uwarunkowaniami zewnętrznymi, jakość kolejowych powiązań międzynarodowych polskich regionów.Rail passenger connections as an element of the network of international links of Polish regionsUsing the example of links between a group of cities acting as regional capitals in Poland and bordering foreign regions, the article presents the differences between the infrastructure links and the transport offer available in rail transport. The analysis of individual relations allows for a comparison of potential and actual travel possibilities. The first part of the study describes the research method and sources used, and includes an analysis of the infrastructure potential and the actual transport offer. The second part presents a structured overview of the parameters of connections made between provincial cities and the capitals of neighbouring countries and foreign regions. The third part presents an assessment and description of the degree of utilisation of the infrastructure potential. The whole is concluded by a summary, indicating the low quality, in many cases unjustified by external conditions, of international railway connections of Polish regions.
本文以波兰各地区首府和与外国接壤地区的一组城市的连接为例,介绍了铁路运输中基础设施连接和运输服务之间的差异。对个人关系的分析可以比较旅行的潜在可能性和实际可能性。第一部分描述了研究方法和使用的来源,并包括对基础设施潜力和实际交通供应的分析。第二部分给出了国外省会城市与周边国家和地区首府之间连接参数的有序列表。第三部分介绍了对基础设施潜力利用程度的评估和描述。整个报告以摘要结尾,指出外部条件低,在许多情况下是不合理的,铁路客运连接是波兰地区国际连接网络的一个组成部分。以波兰作为地区首府的一组城市与外国边境地区之间的连接为例,本文介绍了铁路运输中基础设施连接和运输服务之间的差异。通过对个人关系的分析,可以比较潜在的旅行可能性和实际的旅行可能性。研究的第一部分描述了所使用的研究方法和来源,并包括对基础设施潜力和实际交通供应的分析。第二部分对省级城市与周边国家和外国地区首府之间的联系参数进行了结构化概述。第三部分对基础设施潜力的利用程度进行了评估和描述。总结表明,波兰各地区的国际铁路连接质量低下,在许多情况下由于外部条件的原因而不合理。
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引用次数: 0
Effects of the Covid-19 travel restrictions on metropolises mobility: empirical evidence from the Tricity metropolis (Poland) 新冠肺炎旅行限制对大都市流动性的影响:来自Tricity大都市的经验证据(波兰)
Pub Date : 2023-03-31 DOI: 10.4467/2543859xpkg.23.004.17401
Krzysztof Grzelec, K. Hebel, R. Okraszewska, O. Wyszomirski
This paper aims to assess changes in mobility and modal shift caused by COVID-19 travel restrictions among the residents of Gdańsk Bay Metropolis (Poland). Measurement’s moments were assumed in periods differing in the level of restrictions. The computer-assisted telephone interview (CATI) was carried out in November and December 2020. The results did not confirm the expected modal shift. However, significant changes in the number of trips between periods were observed. Restrictions in the first period of the pandemic resulted in a greater decrease in mobility than the restrictions at the end of the year. Moreover, significant associations were found between transport behaviour and place of residence. Nevertheless, possible negative changes in the modal split after the pandemic ends should be counteracted by improving the quality of public transport services. As the most important attributes of public transport attracting passengers after the pandemic respondents recognized: high frequency of vehicles, low cost of travel, not overcrowded vehicles. However, some residents declared they will not use public transport regardless of service improvements. Consequently, to meet the objectives of sustainable mobility policy, it can be necessary to increase the share in the modal split of other sustainable modes of travel.
本文旨在评估新冠肺炎旅行限制在Gdańsk Bay Metropolis(波兰)居民中造成的流动性和模式转变的变化。测量力矩是在限制水平不同的时期假设的。计算机辅助电话采访(CATI)于2020年11月和12月进行。结果并未证实预期的模态转变。然而,观察到不同时期的出行次数发生了显著变化。与年底的限制相比,疫情第一阶段的限制导致流动性下降幅度更大。此外,还发现运输行为与居住地之间存在显著关联。尽管如此,应通过提高公共交通服务质量来抵消疫情结束后模式划分可能出现的负面变化。作为疫情后吸引乘客的公共交通最重要的特征,受访者认识到:车辆频率高,出行成本低,车辆不拥挤。然而,一些居民宣称,无论服务改善如何,他们都不会使用公共交通工具。因此,为了实现可持续出行政策的目标,可能有必要增加其他可持续出行方式在模式划分中的份额。
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引用次数: 0
Zmierzch czy koniec przedsiębiorstw Państwowej Komunikacji Samochodowej?
Pub Date : 2023-03-31 DOI: 10.4467/2543859xpkg.23.005.17402
A. Ciechański
Problematyka procesów dotyczących przedsiębiorstw PKS znajduje się w kręgu zainteresowań autora artykułu od wielu lat. Skupiał się on szczególnie na transformacji własnościowej, która ich dotykała. Komercjalizacja, prywatyzacja i komunalizacja tych podmiotów właściwie już się zakończyła. W ostatnich latach nasiliło się natomiast inne zjawisko – rosnąca liczba przedsiębiorstw, które kończyły obsługę rozkładowych przewozów pasażerskich. W dużej mierze odnosiło się to do tych, w których prywatyzacji uczestniczyli inwestorzy zagraniczni. Szczególnie widoczne było to w latach 2016-2019, kiedy z obsługi rozkładowych przewozów zrezygnowało łącznie aż 37 PKS-ów. Wzbudziło to słuszny niepokój ze strony nie tylko społeczeństwa, ale również czynników rządzących krajem. Ograniczanie oferty pozamiejskiego publicznego transportu zbiorowego, w tym przede wszystkim przedsiębiorstw PKS, doprowadziło do dyskusji o rosnącym problemie wykluczenia transportowego. Próbą odpowiedzi na to zjawisko było powołanie w 2019 r. Funduszu Rozwoju Przewozów Autobusowych, którego środki miały powstrzymać upadek przede wszystkim dawnych państwowych przedsiębiorstw PKS, ale też innych przewoźników. Niestety pandemia spowodowana wirusem COVID-19 mocno odcisnęła swoje piętno szczególnie na podmiejskich liniach autobusowych, okresowo odcinając od usług publicznego transportu zbiorowego całe powiaty. Silnie rzutowało to zarazem na kondycję finansową przewoźników autobusowych. Nawet wzrost dofinansowania do przewozów nie spowodował niestety końca całkowitego wycofywania się kolejnych przedsiębiorstw PKS z obsługi kursów rozkładowych. Od początku 2020 r. do końca sierpnia 2022 r. z rynku ubyło osiem kolejnych podmiotów, zaś dalsze zamierzały to uczynić jeszcze w tym samym roku. Odnotowywany ostatnio wzrost cen paliw kopalnych oraz braki kadrowe przyczynić mogą się do dalszego pogłębienia opisywanych procesów.The twilight or the end of the enterprises of the Polish state Motor Transport CompanyThe issue of processes concerning Polish state Motor Transport Company PKS enterprises has been of interest to the author of the article for many years, and he focused in particular on the ownership transformation that affected them. The commercialization, privatization and communalization of these entities has actually come to an end. In recent years, however, another phenomenon related to them has intensified – the growing number of companies that have terminated the service of scheduled passenger transport. To a large extent, this applied to those in which foreign investors participated in the privatization. This was particularly visible in 2016-2019, when a total of as many as 37 PKS’s resigned from servicing scheduled services. This aroused legitimate concern not only from the society, but also from the decision-makers governing the country. Limiting the offer of non-urban public public transport, including primarily PKS companies, has led to a discussion on the growing problem of transpor
PKS企业的流程问题多年来一直处于文章作者的兴趣圈中。这些实体的商业化、私有化和社区化实际上已经结束。然而,近年来,另一种现象加剧了——越来越多的公司已经完成了定期客运服务。这在很大程度上适用于外国投资者参与私有化的情况。这一点在2016-2019年尤为明显,当时多达37-PKS放弃了定期运输的处理。这不仅引起了公众的合理关注,也引起了国家治理者的合理关注。限制非城市公共交通的供应,特别是PKS公司的供应,引发了对日益严重的交通排斥问题的讨论。应对这一现象的一种尝试是在2019年成立了公交发展基金,其措施是阻止前国有PKS公司以及其他运营商的倒闭。不幸的是,新冠肺炎病毒引起的大流行已经留下了印记,尤其是在郊区的公交线路上,定期切断整个地区的公共交通服务。与此同时,这对公交运营商的财务状况产生了强烈影响。不幸的是,即使增加了对运输的共同融资,也没有结束更多PKS公司完全退出时间表的处理。从2020年初到2022年8月底,市场上又有八家玩家,同年晚些时候还有更多玩家打算这样做。最近化石燃料价格的上涨和人员短缺可能有助于进一步深化所述过程。波兰国家汽车运输公司企业的黄昏或终结波兰国家汽车交通公司PKS企业的流程问题多年来一直是本文作者感兴趣的问题,他特别关注影响它们的所有权转型。这些实体的商业化、私有化和社区化实际上已经结束。然而,近年来,与之相关的另一个现象加剧了——越来越多的公司终止了定期客运服务。这在很大程度上适用于外国投资者参与私有化的公司。这一点在2016-2019年尤为明显,当时共有多达37名PKS员工辞去了定期服务的服务。这不仅引起了社会的合理关注,也引起了国家决策者的合理关注。限制非城市公共交通的提供,主要包括PKS公司,引发了对日益严重的基于交通的社会排斥问题的讨论。应对这一现象的一种尝试是在2019年设立了公交发展基金,该基金旨在阻止前国有PKS企业以及其他运营商的倒闭。不幸的是,新冠肺炎病毒引起的大流行已经留下了印记,尤其是在郊区公交线路上,定期切断整个地区的公共交通服务。与此同时,它对公交运营商的财务状况产生了强烈影响。不幸的是,即使增加了运输资金,也没有结束后续PKS公司完全退出预定路线的服务——从2020年初到2022年8月底,又有八家实体离开了市场,下一家打算在同年离开。不幸的是,最近化石燃料价格的上涨和人员短缺可能会导致上述过程的深化。
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引用次数: 0
Spatial patterns of economic activities in Łódź Łódź经济活动的空间格局
Pub Date : 2022-12-30 DOI: 10.4467/2543859xpkg.22.024.17148
M. Lamprecht
The article contains the results of the analysis on the distribution of economic activities in modern Łódź conducted with the use of space syntax tools. The study encompassed selected street sections in the broadly-understood city centre (in total, approx. 30 km of streets, with more than 1300 recorded business locations). The analysis conducted has shown that the observed density of business activities in Łódź is connected to the spatial arrangement of the global street network integration. The configuration of the Łódź plan is a statistically important factor that influences the spatial patterns of economic activities. Depending on the location within the layout, individual street sections provide various conditions for the development of business activities, therefore they have varying significance to the shaping of the internal, economic image of the city area.
本文包含了运用空间句法工具对现代Łódź经济活动分布进行分析的结果。该研究涵盖了广泛理解的市中心的选定街道部分(总共约为1000条)。30公里的街道,有记录的营业地点1300多个)。分析表明,Łódź的商业活动密度与全球街道网络整合的空间布局有关。Łódź规划的结构是影响经济活动空间格局的统计上的重要因素。根据城市布局中所处位置的不同,各个街道段为商业活动的发展提供了不同的条件,因此它们对城市区域内部经济形象的塑造具有不同的意义。
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引用次数: 0
Effects of choice of data aggregation method to a point on walking accessibility results using the G2SFCA method 采用G2SFCA方法选择数据聚集方法对步行可达性结果的影响
Pub Date : 2022-12-30 DOI: 10.4467/2543859xpkg.22.023.17147
Łukasz Lechowski
In spatial accessibility studies based on market areas, such as floating catchment area (FCA) family methods, it is crucial to identify the point to which weights are assigned, both on the demand and supply side. Bearing in mind that it is not always possible to work on disaggregated data, the aim of this paper was to investigate which method of determining a point, minimises bias in the estimation of walking accessibility. The research used the G2SFCA method, introduced by Dai, which has been employed several times to model walking accessibility. Results clearly show that point location methods for area units, based on disaggregating data to buildings, perform better at the scale of statistical districts or cadastral precincts, compared to those based on the centrally weighted mean. They also show that positional measures such as the Euclidean centrally weighted median can improve the results of analyses in units that are heterogeneous in terms of settlement network pattern.
在基于市场区域的空间可达性研究中,如浮动集水区(FCA)家庭方法,确定需求和供应方面的权重分配点至关重要。考虑到分类数据并不总是可行的,本文的目的是研究哪种确定点的方法,最大限度地减少步行可达性估计中的偏差。该研究使用了戴介绍的G2SFCA方法,该方法已多次用于建模步行可达性。结果清楚地表明,与基于集中加权平均值的方法相比,基于将数据分解为建筑物的区域单元的点定位方法在统计区或地籍区的规模上表现更好。他们还表明,欧几里得中心加权中值等位置测量可以改善在结算网络模式方面异质的单元中的分析结果。
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引用次数: 0
Public transport stops and crime within the city space. The case of Stare Bałuty in Łódź 公共交通停运和城市空间内的犯罪。在Łódź中,Stare的案例Bałuty
Pub Date : 2022-12-30 DOI: 10.4467/2543859xpkg.22.019.17143
Stanisław Mordwa
The goals of the study presented in the article draw attention to the role of public transport stops in the spatial distribution of crime in the Stare Bałuty estate in Łódź, Poland. Answers are provided to the questions of spatio-temporal structure of criminal acts committed within the estate, the influence zone of transport stops as well as the assessment and effects of environmental crime predictors in their vicinity.Crime location quotient (LQC) was used to assess the intensity of crime and identify the influence zone that attracts certain categories of crimes to the vicinity of stops. The influence of environmental predictors on the level of threat was identified and assessed on the basis of B. Czarnecki’s method. The variables used in the analysis initially spanned 739 crimes and 53 public transport stops evaluated with regard to 20 safety aspects and their impact on the pro-crime effects on the scale of location as well as various forms and functions of urban development.A strong negative influence of public transport stops ‒ attracting various categories of crime, mostly property theft ‒ was discovered. The negative influence of stops on the concentration of crime within 200 metres is reinforced by the existence of environmental crime predictors.The recommendations and discussions resulting from the findings should influence the policy of crime prevention on the level of object location, management and the maintenance of socio-spatial order in the vicinity.
文章中提出的研究目标提请注意公共交通站点在波兰Łódź的Stare Bałuty地产犯罪空间分布中的作用。本文回答了园区内犯罪行为的时空结构、交通站点的影响区域以及周边环境犯罪预测因素的评估和影响等问题。犯罪区位商(LQC)用于评估犯罪强度,并确定将某些类别的犯罪吸引到站点附近的影响区域。基于B. Czarnecki的方法,对环境预测因子对威胁程度的影响进行了识别和评价。分析中使用的变量最初涵盖了739起犯罪和53个公共交通站点,评估了20个安全方面及其对地点规模以及城市发展的各种形式和功能的犯罪影响。调查发现,公共交通站点有很强的负面影响——吸引了各种类型的犯罪,主要是财产盗窃。停车点对200米内犯罪集中的负面影响因环境犯罪预测因素的存在而得到加强。调查结果所产生的建议和讨论应影响到在目标定位、管理和维持附近社会空间秩序方面的预防犯罪政策。
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引用次数: 0
Conditions for the sustainable development of electromobility in the European Union road transport from the perspective of the European Green Deal 从《欧洲绿色协议》看欧盟道路交通中电动汽车可持续发展的条件
Pub Date : 2022-12-30 DOI: 10.4467/2543859xpkg.22.018.17142
U. Motowidlak
The article concerns the analysis of trends and policies supporting the development of zero-emission mobility, in accordance with the assumptions of the European Green Deal. The aim of the study is to identify and assess the essential factors determining the level of sustainability of the electromobility system in relation to individual car transport in the European Union. he article reviews strategies for the development of climate-neutral mobility as outlined in strategic documents, the European Green Deal and the “Fit for 55” package. The current state of development of the electric vehicle market and charging infrastructure is shown, which implies a number of challenges in the pursuit of emission-free mobility. A review of the literature on the subject and the results of the expert analysis confirmed the importance of national and regional policies in the uptake of electric vehicles. Taking active measures to increase the level of sustainability of the electromobility system should first focus on the further development of charging infrastructure, the creation of an EV battery value chain and the uptake of cars. The main expectations for the development of electromobility are to reduce CO2 emissions, reduce dependence on the supply of fossil fuels, increase the competitiveness and innovation of the economy, and reduce the social costs generated by transportation.
本文根据欧洲绿色协议的假设,分析了支持零排放交通发展的趋势和政策。该研究的目的是确定和评估决定欧盟与个人汽车运输相关的电动交通系统可持续性水平的基本因素。本文回顾了战略文件、欧洲绿色协议和“适合55年”一揽子计划中概述的气候中性交通发展战略。展示了电动汽车市场和充电基础设施的发展现状,这意味着在追求无排放移动方面存在许多挑战。对有关该主题的文献和专家分析结果的审查证实了国家和区域政策在采用电动汽车方面的重要性。采取积极措施提高电动汽车系统的可持续性水平,首先应重点关注充电基础设施的进一步发展、电动汽车电池价值链的建立和汽车的普及。对电动汽车发展的主要期望是减少二氧化碳排放,减少对化石燃料供应的依赖,提高经济的竞争力和创新能力,降低交通运输产生的社会成本。
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Prace Komisji Geografii Komunikacji PTG
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