Brussels, 17/11/2010 (Agence Europe) - The modernisation and improvement of the energy infrastructure of the EU in order to guarantee its supply is an unavoidable challenge, but a very expensive one, the European Commission warns. The EU will need to invest 1 trillion euros by 2020 in its entire transport network and in its production, transmission, distribution and storage capacities, particularly to integrate energy from renewable sources. For the gas pipelines and high-voltage lines...