The fuel surcharge percentage for FedEx Freight® services is based on the weekly published national U.S. on-highway average price for a gallon of diesel fuel.
FedEx GroundFuel Surcharge Rates
|Effective Date||FedEx Ground|
|Based on Weekly Fuel Price Reported for*|
|Dec. 7, 2020–Dec. 13, 2020||6%||Nov. 30 , 2020|
|Nov. 30, 2020–Dec. 6, 2020||5.75%||Nov. 23, 2020|
*There is a lag between the fuel price index and the fuel surcharge. FedEx may use a longer lag when the fuel price posted on eia.gov is delayed.
This news is cited from FedEx official website: https://www.fedex.com/en-us/shipping/fuel-surcharge.html