Brussels, 16/06/2011 (Agence Europe) - On 16 June, the European Commission sent a reasoned opinion to Belgium after its failure to fully transpose directive 2002/91/EC on the energy performance of buildings. The Commission says that, to date, the Walloon Region has not adopted rules on issuing energy performance certificates for new buildings, nor has it made it compulsory to display these certificates visibly in buildings of more than 1,000 m2. Under EU legislation, such rules were to have...