PT Lahai Coal, BHP Biliton`s subsidiary based in Kalimantan, said it will invest US$50 …  begin producing coal in the last quarter of this year,” PT Lahai Coal director Indra Diannanjaya said here at the weekend. The …

…  a total area of 4,787 hectares, as compared to the overall Lahai concession, which extends to 46,620 hectares, according to the Jakarta …  to diminishing oil reserves. The country’s coal consumption has continued to increase from year to year. Last year, total consumption …