An antitrust investigation of the car carrier business by the Japan Fair Trade Commission that became public Sept. 6 when officials visited the offices of at least five companies has been expanded to include requests for information by government authorities in the United States, Canada, and Europe. Press reports said Wallenius Wihellmsen Logistics, Nippon Yusen Kaisha, Mitsui O.S.K. Lines, Kawasaki Kisen Kaisha and Eukor Car Carriers all reported visits by Japanese offic...