May 29 (Bloomberg) — Petroliam Nasional Bhd., Malaysia’s state oil company, agreed to pay $2.51 billion to buy a 40 percent stake in Santos Ltd.’s proposed liquefied natural gas project in northeast Australia to tap rising demand for the fuel. Petronas, Asia’s biggest LNG producer, will make an initial cash payment of $2.01 billion, plus […] ↓ Read the rest of this entry…