TSA members, including Maersk, MSC and Hapag-Lloyd, « found that rapidly changing market conditions, wing characteristics and cost structures made it impractical to continue publishing a single flagship formula recommended by the TSA. » The TSA website adds that « TSA lines will use weekly average fuel prices as a resource, but may also take into account their own costs and price targets in developing their bunker pricing policy, which has always been individually adapted. » The change in the fuel pricing methodology of TSA member lines is being carried out, while the cost of fuel for shipping is a clear priority for the sector. . .