Formosa Petrochemical Corp (FPCC), an oil subsidiary of Taiwan’s Formosa Plastics Group, will invest NT$10 billion to expand its oil-refinery capacity to 600,000 barrels/day from the present 450,000 b/d, according to the China Economic News business service (CENS). (US$1 = NT$33.9).   The company decided on the investment after projections showed that earnings from oil…