KUALA LUMPUR (AFX-ASIA) – National oil corporation Petroliam Nasional Bhd (Petronas) will maintain its oil exploration and production budget at RM6 billion, president and chief executive officer Mohd Hassan Marican said. (US$1=RM3.8). “We have been setting aside 6 bln rgt for exploration and budget activities for many years. There is nothing special,” he said when…