cracking unit at its 220,000 b/d Chiba refinery near Tokyo. (US$1=107 yen). The upgrade, to be completed by 2011, will boost the refinery’s naphtha and propylene output by 260,000 kilolitres per year at the expense of heavy fuel for which demand has declined. The refinery’s fluid catalytic cracking unit has a capacity of 45,000 b/d….