KARACHI (APP) - Pakistan State Oil (PSO) has floated a tender for the supply of 65,000 metric tons high sulphur fuel oil (HSFO) grades 380 cst, 180 cst and low viscosity from int'l sources for July 2010. The oil marketing company has sought the delivery of fuel oil on C & F basis at FOTCO terminal, Port Bin Qasim. PSO sought firm delivery bids for 65,000 tonnes of HSFO in one delivery combi-cargo. The bidding will be held on June 29, at PSO House.