16/05/2011 (Agence Europe) - Merger. On Friday 13 May, the European Commission authorised the Chinese company PetroChina Company Limited (oil and petrochemicals, controlled by the group China National Petroleum Corporation) to take a stake in oil refineries at Grangemouth (Scotland) and Lavera (France), which are currently wholly owned by the Swiss oil and petrochemicals company Ineos AG. The investigation showed that the horizontal overlaps and vertical relationships between the activities...