La mobilité quotidienne face à la contrainte carbone : Quelles politiques privilégier ?

Abstract : The French National Carbon Strategy (SNBC) aims at reducing the CO2 emissions of the transport sector by 30% in 2030, when compared with 2013, and by 70% in 2050. This paper analyses the room for manoeuvre regarding daily mobility in order to contribute to this aim. The framework is a “reasonable” world, where local governments might bring pressure on residential location choices of new anticipated populations on the one hand, and mobility choices by favoring some travel modes on the other hand. In this reasonable world, policies such as moving house for existing population or restraining daily mobility intensity, whether destinations or out-of-home tours, are deliberately denied. Three contrasted areas are studied: two peri-urban areas around Lyon and Strasbourg on the one hand, one densely populated area, Lyon’s conurbation, on the other hand. We show that scenarios combining control of vehicle unit emissions and new travel mode behaviors based on ridesharing and bike use including e-bike would arrive at SNBC targets. All levers don’t have the same impact on emission reduction: various alternatives of the new population housing location have low stake regarding emissions from now to 2050. Moreover the social and political cost of “guiding” the new population residential location choices limits the relevance of such a policy.
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Submitted on : Friday, July 12, 2019 - 5:19:33 PM
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Charles Raux, Lény Grassot, Eric Charmes, Elise Nimal, Marie Sévenet. La mobilité quotidienne face à la contrainte carbone : Quelles politiques privilégier ?. Les Cahiers scientifiques du transport , AFITL, 2018, pp.83-116. ⟨halshs-02182407⟩

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