(EnergyAsia, March 9) — Indonesian state energy firm Pertamina has promoted former marketing director Ari Soemarno to the president’s post, replacing Widya Purnama.             The State Enterprises Ministry also announced that Iin Arifin Takhyan, director-general of oil and gas at the mines and energy ministry, had been appointed Pertamina’s vice-president, while Achmad Faisal, deputy marketing…