Brussels, 21/04/2008 (Agence Europe) - On Monday 21 April, Janez Potoènik, opened the Transport Research Arena 2008 Conference and Expo in Ljubljana together with Radovan Žerjav, Slovenian Minister for Transport. His opening lines contained a question: “How do we maintain the freedom and prosperity that transport gives us today, without increasing pollution,…congestion,…deaths,…and greenhouse gases? In an attempt to resolve the question, the European commissioner for research said...