As a countermeasure to the greenhouse gas problem, the world is focusing on alternative fuel vehicles (AFVs). The most prominent alternatives are battery electric vehicles (BEV) and fuel cell electric vehicles (FCEVs). This study examines FCEVs, especially considering hydrogen refueling stations to fill the gap in the research. Many studies suggest the important impact that infrastructure has on the diffusion of AFVs, but they do not provide quantitative preferences for the design of hydrogen refueling stations. This study analyzes and presents a consumer preference structure for hydrogen refueling stations, considering the production method, distance, probability of failure to refuel, number of dispensers, and fuel costs as core attributes. For the analysis, stated preference data are applied to choice experiments, and mixed logit is used for the estimation. Results indicate that the supply stability of hydrogen refueling stations is the second most important attribute following fuel price. Consumers are willing to pay more for green hydrogen compared to gray hydrogen, which is hydrogen produced by fossil fuels. Driver fuel type and perception of hydrogen energy influence structure preference. Our results suggest a specific design for hydrogen refueling stations based on the characteristics of user groups.
This study proposes a data-based strategy for prioritizing sewerage services and developing consumer-centric asset management systems. Sewerage systems are essential infrastructure, but resource-intensive, and governments have faced challenges due to limited budgets and aging facilities. Most countries are still in the early stages of adopting consumer-centric approaches. By using the mixed logit model, this study identified heterogeneous service preferences among consumers based on their priority for physical and social services. Groups who attributed their importance to physical services were more sensitive to sewerage bills; however, those who emphasized social services were more interested in water activity environment improvement and odor intensity reduction. This study also showed that people are willing to pay USD 10 for odor intensity reduction and USD 6 for water activities improvement on average, but those who prioritized sinkhole reduction and flood reduction answered less willingness to pay for each service improvement. Applying these heterogeneous service preferences to service improvement strategies can lead not only to higher consumer satisfaction and lower economic burden, but also to a deeper understanding of residents’ willingness to pay for service improvement in certain service preference areas. Therefore, the results contribute to the development of sustainable asset management strategies.
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