Brussels, 27/05/2014 (Agence Europe) - A study commissioned by the Greens/EFA Group at the European Parliament and published by a German research institute - DIW Berlin - on the eve of the presentation by the Commission, on Wednesday 28 May, of its new strategy to reduce the EU's external energy dependency (see EUROPE 11088), stresses the major role of the Russian gas company Gazprom in the energy infrastructure of the EU and the serious consequences that are critical to the energy security...