Journal
SUSTAINABILITY
Volume 5, Issue 5, Pages 1863-1874Publisher
MDPI
DOI: 10.3390/su5051863
Keywords
transport; climate change; sustainability; energy
Funding
- project METRASYS-Sustainable Mobility for Mega Cities
- German Federal Ministry of Education and Research
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The transport sector is the second largest and one of the fastest growing energy end-use sectors, representing 24% of global energy-related greenhouse gas emissions. The International Energy Agency has developed scenarios for the transport sector within the overall concept of mitigation pathways that would be required to limit global warming to 2 degrees C. This paper builds on these scenarios and illustrates various passenger travel-related strategies for achieving a 2 degrees transport scenario, in particular looking at how much technology improvement is needed in the light of different changes in travel and modal shares in OECD and non-OECD countries. It finds that an integrated approach using all feasible policy options is likely to deliver the required emission reductions at least cost, and that stronger travel-related measures result in significantly lower technological requirements.
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