This work has been partially funded by the IMPULSO
Integrated Multimodal Platform for Urban and extra urban
Logistic System Optimization project funded by the Italian
Ministry for Economic Development and coordinated by Vitrociset
S.p.A.
A special thanks to Dr. M. Bordin of Vitrociset S.p.A. for
the extremely fruitful technical discussions about the details
of the IMPULSO project and the related issues of logistics.