The fuel adjustment factor for December 2023 is stipulated at 11.6%. The surcharge for the month of November 2023 was stipulated at 13.6%.

The surcharge is calculated and defined on a monthly basis and will be adjusted, if there is an increase or reduction in the net cost of fuel of 0,3 percentage points or more. The fuel surcharge for the coming month is based on the cost of diesel fuel on the 15th of the previous month.