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  • 11
    Publication Date: 2022-08-26
    Description: Staying within the 2 °C (preferably 1.5 °C) limit requires fast and fundamental system changes, also in urban passenger transport. Shifting car traffic to environmentally friendly transport modes is one central strategy to make urban transport more sustainable and climate friendly. However, in most cities car use remains high. Therefore, this paper analyzes what course change is needed regarding direction, scale and speed of change for urban sustainability and climate protection reasons. The paper analyzes the role of modal shift as a strategy in itself and in relation to land-use (avoid) and efficiency (improve) measures. The paper draws on insights from European frontrunning cities and explorative forecasting scenarios calculated with the sophisticated integrated land-use transport model "Ruhr Region 2050". The paper suggests that a significant reduction of urban car use is needed (direction) that roughly equals a fast halving of car use (scale), which has proven feasible under the current socio-political conditions by annual reduction rates of 0.5 to 1.5 percentage points of the trip-based modal share of car use (speed). Significantly reducing car use requires comprehensive and high-intensive measures that go far beyond usual practices. Modal shift measures need to play a crucial role in integrated approaches with land-use (avoid) and efficiency (improve) measures because they have the potential to significantly reduce car use and CO2 emissions and because they can produce comparatively fast effects - which makes modal shift measures first aid approaches to achieve a fast "bending of the curve" of excessive car use and growing CO2 emissions.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
    Format: application/pdf
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  • 12
    Publication Date: 2023-10-02
    Description: The rise of pedal-assisted bicycles (e-bikes) has the potential to contribute to reducing ubiquitous automobility and its negative externalities on the global climate, mobility justice and the quality of urban life. But what makes this new practice so successful in recruiting new practitioners? What policies can ensure that e-bikes are used in a wide range of situations, thus substituting as much car driving as possible - or even reducing the number of cars? The study focuses on commuting as this use case frequently entails the main obstacles to e-biking in daily routines (e.g., sweat, weather, transporting children or goods). The analysis is primarily based on interviews with practitioners and initially provides a thorough depiction of the practice elements (meanings, materials and competences) involved in e-bike commuting. It furthermore elicits key drivers of and barriers to daily e-bike commuting, points to a number of elements that are important to overcome these barriers and develops two tangible policy approaches to foster the substitution of e-biking for car driving.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
    Format: application/pdf
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  • 13
    Publication Date: 2021-05-06
    Description: This paper explores how the European Commission promotes the concept of Sustainable Urban Mobility Planning (SUMP) among European cities. Despite the strong uptake of the SUMP concept, mobility-related problems persist in European municipalities. Linking theoretical approaches to understand the diffusion of policies with empirical findings from working with cities in the SUMP context, this article explores channels of policy diffusion and investigates shortcomings related to the respective approaches. Studies on the diffusion, the transfer and the convergence of policies identify formal hierarchy, coercion, competition, learning and networking, and the diffusion of international norms as channels for policy transfer. The findings which are presented in this paper are twofold: First, the paper finds evidence that the Commission takes different roles and uses all mechanisms in parallel, albeit with different intensity. It concludes that the approaches to explain policy diffusion are not competing or mutually exclusive but are applied by the same actor to address different aspects of a policy field, or to reach out to different actors. Second, the article provides first evidence of factors that limit the mechanisms' abilities to directly influence urban mobility systems and mobility behaviour.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
    Format: application/pdf
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  • 14
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    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Publication Date: 2023-07-07
    Description: The sales of pedelecs are currently skyrocketing in Germany and in many other places. As a low-carbon means of mobility, pedelecs have the potential to make a substantial contribution to the mobility transition. This thesis employs practice theory as proposed by Shove et al. (2012) to investigate this quickly evolving phenomenon. The analysis is based on interviews with e-bike commuters which were investigated using template analysis and exploratory memos. To obtain a broad picture the practice, a maximum variance sampling strategy was carried out in two cities that vary substantially with regard to velomobility: Wuppertal and Münster. This thesis one hand presents the first encompassing account on the practice elements which commuting by pedelec is composed of. It hence contributes to the debate about the depiction of practices. Furthermore, the thesis finds that pedelec commuting should be conceptualized as a variant of velomobility and not as a variant of motoring or as an independent practice. Yet, the elements integrated in pedelec-commuting are found to clearly differ from those of cycling, so that pedelec-commuting meets the requirements of everyday life much better than commuting on non-electrified bikes. The findings of this thesis suggest several pathways to strengthening this novel practice. The capacity of e-biking to serve mundane trips can for example be supported through the normalization of the use of weather- and transport relevant materials and competences. Deeper linkages with interacting practices from other sectors, such as an integration of cycling materials (GPS-trackers) into policing practices, can also con-tribute to this goal. With regard to research, the present work offers starting points for quantifications, for example on the relative importance of single elements as well as on the characteristics of their relations among each other or with regard to typical constellations of elements.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: masterthesis , doc-type:masterThesis
    Format: application/pdf
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  • 15
    Publication Date: 2023-10-16
    Description: Der Verkehrssektor ist das Sorgenkind beim Klimaschutz. Um die Klimaschutzziele zu erreichen, sind ein rascher und tiefgreifender Wandel beim Verkehr und insgesamt weniger Autoverkehr nötig. In der Verkehrspolitik werden dazu meist innovationsorientierte Strategien verfolgt. Solange das Auto aber seinen privilegierten Status als bevorzugtes Verkehrsmittel behält, wird eine Verlagerung auf innovative und nachhaltige Alternativen verhindert. Alina Wetzchewald untersucht hier, ob und wie "Exnovation" - also die Beendigung nichtnachhaltiger Praktiken - eine urbane Verkehrswende befördern kann, sodass sich nachhaltige Innovationen und Alternativen in der Folge besser etablieren können. Die Autorin begründet die Notwendigkeit von Exnovation, erarbeitet theoriebasiert Erklärungsansätze und untersucht Exnovation am Fall der Stadt Oslo. Im Ergebnis kann sie konkrete Empfehlungen zur aktiven Gestaltung der urbanen Verkehrswende durch Exnovation ableiten.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: doctoralthesis , doc-type:doctoralThesis
    Format: application/pdf
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  • 16
    Publication Date: 2022-02-18
    Description: Der Verkehrssektor ist keineswegs der einzige, jedoch ein wesentlicher Verursacher der Klimaprobleme. Der Automobilverkehr als traditioneller Hauptbelaster im Verkehrsbereich zeigt zwar vergleichsweise positive Tendenzen, trotzdem ist auch hier noch erheblicher weiterer Handlungsbedarf gegeben. Das Wuppertal Institut hat hier in übersichtlicher und systematischer Form Stand und Perspektiven zusammengetragen. Nach einer ausführlichen Einbettung in den Klimadiskurs erfolgt die schrittweise Konzentration auf den PKW-Verkehr Deutschlands. Für diesen Bereich werden im Detail die denkbaren technischen Ansätze und die möglichen Umsetzungsmaßnahmen erörtert.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: report , doc-type:report
    Format: application/pdf
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