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Decarbonising Urban Mobility with Land Use and Transport Policies

The Case of Auckland, New Zealand

image of Decarbonising Urban Mobility with Land Use and Transport Policies

The report presents an in-depth analysis of various policies that aim to reduce the greenhouse gas emissions of urban transport. Decarbonising transport lies at the core of efforts to mitigate climate change and has close links to urban sustainability and housing affordability. The report identifies the drivers of rising emissions in the urban transport sector and offers pathways to reduce them through a combination of transport and land use policies. The analysis yields a holistic welfare evaluation of these policies, assessing them according to their environmental effectiveness, their economic efficiency and their impact on fiscal balance and housing affordability. The report concludes that significant reductions in emissions from urban transport can be achieved through a careful alignment of transport policies designed to promote the use of public transit and electric vehicles, and land use policies, which foster a more compact urban form. The study is based on the case of Auckland, New Zealand but the lessons drawn are relevant for institutions and governments working on issues relating to urban sustainability, transport, housing and climate change mitigation.

English

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Beyond the case study: interpreting the findings and assessing their wider relevance

This chapter explores the degree to which the key policy recommendations of the study are relevant to contexts beyond Auckland and New Zealand. To that end, it revisits the projected reductions in greenhouse gas emissions and other key outcomes under different assumptions about the carbon intensity of the electricity generation sector, population growth and income evolution. Moreover, the chapter offers an extensive sensitivity analysis with respect to various model parameters including the evolution of preferences for open space, fuel efficiency, electricity and fuel prices, as well as of the pace at which advantages of conventional vehicles vis-à-vis electric cars fade out. That analysis identifies the factors that have an important impact on the key conclusions. Finally, the chapter enumerates a series of methodological limitations of the analysis and the impact they have on the key conclusions of the study.

English

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