Greening the fleet: A spatial analysis of the local and global emission factors of the car fleet of the United Kingdom (original) (raw)

2017

Abstract

This paper provides a spatial comparison of the carbon dioxide (mean grams of CO2 per kilometre) and the nitrogen oxide (mean grams of NOx per kilometre) emissions factors of the car fleets registered across the local authorities of the United Kingdom as of 2014. These metrics are derived from the New European Driving Cycle test procedure and provide an indication of the global and local pollution profiles of the local car stock. Exploratory spatial analysis indicates that these emission factors exhibit a substantial geographical variation across the local authorities, suggesting that some local car fleets are dirtier or cleaner than others. Spatial autocorrelation analysis indicates that a significant degree of spatial organisation in these emission factors is present, with a number of hot-spots and cold-spots identified. Interestingly, these emission factors are uncorrelated with one another, suggesting that they represent separate perspectives on the environmental sustainability ...

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