Pakistan State Oil Co., the nation’s largest fuel importer and retailer, is planning to build a $500 million LNG terminal as part of its strategy to diversify into multiple businesses. The import terminal will be located near Karachi and would take four years to complete, Chief Executive officer Syed Muhammad Taha said in an interview. The company has an understanding with a few large customers and has begun preliminary preparations for the project that will include Pakistan’s first LNG storage facility, he said.