(EnergyAsia, May 6 2010, Thursday) — Indonesia’s state-owned plantation firms, PT Perkebunan Nusantara (PTPN) III, IV and V, are expected to each begin building a biodiesel plant in Dumai in Riau province. The three plants, to cost a total of 400 billion rupiah, are expected to be completed within 18 months and start producing by…