Moving freight over land is a dirty job, fraught with political complexities. Anna Petherick looks at the economic issues behind cleaning it up.
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Petherick, A. Unloading truck emissions. Nature Clim Change 1, 290–291 (2011). https://doi.org/10.1038/nclimate1197
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DOI: https://doi.org/10.1038/nclimate1197
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