25/04/2013 (Agence Europe) -Energy efficiency in buildings, reasoned opinions to Spain and Slovenia. On 25 April, the Commission sent reasoned opinions to Spain and Slovenia demanding that they notify the measures they have adopted for implementing Directive 2010/31/EC on buildings' energy efficiency, which should have been transposed into national law by 9 July 2012 at the latest. This directive compels member states to draw up and apply minimum energy performance requirements for existing...