KUALA LUMPUR (May 28): Cypark Resources Bhd said it is buying a 51% equity stake in biogas plant operator BAC Biogas (Kg Gajah) Sdn Bhd for a total consideration of RM6 million. In an exchange filing today, Cypark said its wholly-owned subsidiary Reviva Sdn Bhd had entered into an agreement to purchase 1.53 million ordinary shares in BAC, representing a 51% share in the company.