WASHINGTON — Giti Tire USA Ltd. has filed a complaint with the Federal Maritime Commission (FMC) seeking an investigation into violations of the Shipping Act of 1984 by Flexport International L.L.C.

RANCHO CUCAMONGA, Calif.—Giti Tire (USA) Ltd. is planning to add a freight surcharge of as much as $10,000 per 40 high-cube container for some destinations in the U.S. "due to the challenges that all ...