Continued progress to lower the number of containers lingering on their docks has prompted the ports of Los Angeles and Long Beach to again postpone the start date of their “Container Dwell Fee.” Officials at the ports on March 18 delayed the fee’s start date to March 25 after the previous week’s data review showed a 62% drop in older cargo since announcing the fee Oct. 25. The temporary fee, which was developed last fall with the Biden-Harris Supply Chain Disruptions Task Force, U.S. Department of Transportation and the supply chain industry, would charge ocean carriers $100 for every import…