Brussels, 10/04/2002 (Agence Europe) - On Tuesday, following a thorough investigation, the Commission finally gave the go-ahead to Haniel's purchase of Ytong Holding AG on the Dutch building materials market, subject to the sale of Ytong's business in the Netherlands to another company. The acquisition is still being reviewed by the German competition authority. In December 2001, the Commission decided to begin a detailed investigation into Haniel's purchase of Ytong, which is mainly active...