Abstract
Sustainability transportation is characterized by a positive externality on the environment, health, social security, land use and social inclusion. The increasing interest in global warming has caused attention to be paid to the introduction of the hydrogen bus (H2B). When introducing new environmental technologies, such as H2B, it is often necessary to assess the environmental benefits related to this new technology. However, such benefits are typically non-priced due to their public good nature. Therefore, we have to address this problem using the contingent valuation (CV) method. This method has been developed within environmental economics as a means to economically assess environmental changes, which are typically not traded in the market. So far, several big cities have been analyzed to evaluate the perceived benefit related to H2B introduction, but to the best of our knowledge, no one has performed a CV analysis of a historical city where smog also damages historical buildings. This paper presents the results obtained using a multi-wave survey. We have investigated user preferences to elicit their willingness to pay for H2B introduction in Perugia, taking into account all types of negative externalities due to the traffic pollution. The results confirm that residents in Perugia are willing to pay extra to support the introduction of H2B.
Highlights
Growing concern about climate change has highlighted the role of improvements in energy efficiency and engendered a shift toward new environmental technologies for reducing greenhouse gas emissions.In this context, transportation systems confirm their importance due to negative externalities such as climate change, local air emissions, noise, congestion, and accidents.A general agreement exists on the inequality of the distribution of transportation externalities, insofar as they mainly affect low-income populations [1]
Moving to the contingent valuation (CV) studies, we found seven papers (Table 2) that focus on the topic of analyzing willingness to pay (WTP) for H2B use services (H2Bs)
The variables related to the respondents’ characteristics explain the differences in respondents’ WTP for H2B: age and male sex are negatively related to WTP
Summary
Growing concern about climate change has highlighted the role of improvements in energy efficiency and engendered a shift toward new environmental technologies for reducing greenhouse gas emissions.In this context, transportation systems confirm their importance due to negative externalities such as climate change, local air emissions, noise, congestion, and accidents.A general agreement exists on the inequality of the distribution of transportation externalities, insofar as they mainly affect low-income populations [1]. Growing concern about climate change has highlighted the role of improvements in energy efficiency and engendered a shift toward new environmental technologies for reducing greenhouse gas emissions. In this context, transportation systems confirm their importance due to negative externalities such as climate change, local air emissions, noise, congestion, and accidents. Local governments have attempted to implement measures to restrain negative traffic externalities, even if in many cases without success. Measures have been adopted only under critical situations and in haphazard ways. These measures have affected the most economically disadvantaged citizens [2]. From a long-term and structural perspective, one possible solution to these problems is the introduction of hydrogen buses (H2B)
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