Brussels, 15/12/2009 (Agence Europe) - After an in-depth investigation opened in February 2009, the European Commission has found that a tax exemption the Dutch state intends to grant for natural gas used in installations for the production of ceramic products would be in breach of EU state aid rules and therefore cannot be implemented. In particular, the Commission found that the tax exemption would provide a selective advantage to the Dutch ceramic sector and so constitute operating aid....