Last month, CMA CGM’s Zephyr became the largest containership by cargo capacity to ever transit the Panama Canal.The Neopanamax containership Zephyr has a total capacity of 16,285 TEUs. After calling at the U.S. ports of New York and Savannah, the Zephyr sailed back southbound through the Canal, from the Atlantic to the Pacific Ocean, in route to Qingdao, China.