Clean buses Which technical solutions for networks systems ?

Mobility did not cease growing since more than one century. It is related to our economic growth, just like greenhouse gas (GHG) emissions. On the other hand, public transport, ensures mobility for all by a modest cost, reduce accidents, pollution and take part in a better management of urban space. These problems of personal displacements in urban environment, relatively recent, will develop in the coming years, because of an increase in the number of inhabitants in the cities, an increase in the number of megalopolis, an increase in the traffic congestion in the cities in space and time.