1. (2) Commission Recommendation of 8 May 2006 on the promotion of shore-side electricity for use by ships at berth in Community ports (Text with EEA relevance) (2006/339/EC) OJ L 125
2. (1) Communication from the Commission COM (2002) 595 final The Clean Air for Europe (CAFE) Programme: Towards a Thematic Strategy for Air Quality
3. (5) European Commission. EUR 20719 EN. Hydrogen Energy and Fuel Cells. A vision of our future. Luxembourg: Office for Official Publications of the European Communities. 2003 – 36 pp. ISBN 92-894-5589-6. (http://ec.europa.eu/research/energy/pdf/hlg_vision_report_en.pdf)