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all modes added together, which has shown a similar trend though with some doubts about how international air travel …, but some of the possible changes in trend seem to go back ten or twenty years, with signs detectable even longer… …
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all modes added together, which has shown a similar trend though with some doubts about how international air travel …, but some of the possible changes in trend seem to go back ten or twenty years, with signs detectable even longer… …
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The author provides new insights into the relationship between transport and the environment, the role of technology and the meaning of the concept of sustainable development for the transport sector. Special attention is given to¤ the relationship between technological progress and policy. The...
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