References
EC- European Commission (2011). Roadmap to a Single European Transport Area - Towards a competitive and resource efficient transport system. White Paper, Communication 144 final, 28.03.2011
EC- European Commission (2015).Towards an Integrated Strategic Energy Technology (SET) Plan: Accelerating the European Energy System Transformation. Communication from the Commission 6317 final, 15.09.2015
EEA - European Environment Agency (2013). A closer look at urban transport. EEA Report n.11, Luxembourg
EEA – European Environment Agency (2014). Focusing on environmental pressures from long-distance transport. EEA report n.° 7, Luxembourg