Brussels, 19/05/2011 (Agence Europe) - In a reasoned opinion dated 19 May, the Commission calls on Portugal to bring its national legislation on regulated end-user gas prices into line with EU law on the internal energy market (Directive 2009/73/EC whereby member states have been under an obligation since 1st July 2007 to ensure consumers have freedom of choice when choosing a gas supplier). As prices are first and foremost determined by supply and demand, state regulation of prices for...