Brussels, 23/03/2007 (Agence Europe) - At the energy conference on 22 March in Lisbon, Energy Commissioner Andris Piebalgs said that an investment of €1.79 trillion was needed in the energy arena by 2030 for the 27 member states of the Union. Piebalgs pointed out that the renewable energy market should, following the decision of the European Council on 8-9 March, reach 20% of the Union's energy mix by 2020, and is expected to be worth almost €500 million by 2050. The energy commissioner...