All the less so after over half a century of constant deterioration in favour of road Road transport is the main culprit since it alone account for 84% of the Co2 emissions attributable to transport. Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge .

At the same time greater efforts must be made to achieve a modal shift. Such a change can not be achieved overnight, all the less so after over half a century of constant deterioration in favour of road

All the less so

In favour of

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