Heavy demand and good avails reported at US Gulf coast port.
Location of delivery at Pearl Harbor, Hawaii.
Very good demand reported at the Central American port on Wednesday.
Ships will still be allowed fuels with a higher sulphur content than is permitted in other sectors.
A local supplier said she is out of product at the Colombian port.
Appeal to be heard by US Congress.
Low sulphur avails 'extremely tight' along the US East Coast.
Four shipping firms that evoked non-availability clause asked to provide more information.