Purpose The majority of current e-carsharing users are middle-aged men with a high education and high income; they are most likely to have a full-time employment. Women are consistently underrepresented in previous studies and therefore this paper focusses on characterization of female early adopters. It builds a basis to identify current female early adopters and understand their preferences in e-carsharing in order to address women as target groups for e-carsharing. Methods A sample of 492 carsharing subscribers from Berlin is analysed according to socio-demographic backgrounds, mode choice, use and evaluation of (e-) carsharing services. Additionally, attitudinal indices and clusters based on mobility related attitudes are analysed to reveal significant differences between male and female users. Results Generally, the results confirm socio-demographic findings from previous literature about early adopters. Comparing females and males revealed differences in income, employment status and age. Female early adopters used battery electric vehicles (BEVs) more often than vehicles with an internal combustion engine and evaluate handling BEVs more positive. They show a higher bike affinity and lower affinities towards technology and innovation than male respondents. They combine public transportation and bicycling with the use of (e-) carsharing services as an additional part of urban mobility. Children do not seem to have an impact of the respective topics, although the findings suggest that services are not used with children. Conclusions The analysis of carsharing schemes needs to focus on specific requirements of each trip (e.g. transporting or accompanying children) in order to make sustainable mobility an option for others than one 'typical early adopter'.
Purpose The aim of this paper is to provide insight into how people assess different charging options in the context of electric mobility and how charging can be integrated into daily activities. The central research question concerns the acceptance of fast charging with direct current up to 200 kWh relative to alternative charging concepts such as inductive charging or battery changes as a part of mobility routines. Method The Repertory Grid Technique uses cognitive interviews based on the Personal Construct Theory by George Kelly to motivate respondents to reflect electric mobility beyond the insights that regular interview forms can provide. 20 respondents from Berlin were asked about their subjective perceptions and emotions relating to electric mobility and to different charging options. Results Charging processes are accepted when they appear to proceed subconsciously. That is, options are accepted when they are not perceived to result in trip interruptions or delays. Fuelling a vehicle with an internal combustion engine is mostly not considered as a trip interruption, and provides a benchmark to which all other charging options are compared. We identify the need to integrate charging options into existing mobility patterns, and provide evidence arguing against the need for a comprehensive charging infrastructure from a users' perspective. Conclusions The Repertory Grid technique provides a valuable tool for the exploration of perceptions of public and private charging infrastructure. By overcoming difficulties in reaching an underlying reality that are inherent to standard interviews, this technique may be useful in creating a shift towards a more sustainable mobility.
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