Amazon will add a 3.5% fuel and logistics-related surcharge to fulfillment fees it charges third-party merchants, as the war in the Middle East , which began with US and Israeli strikes against Iran at the end of February, continues to drive up fuel costs. The fee will be applied to third-party sellers across Fulfillment by Amazon in the US and Canada beginning April 17,  Amazon said in a note to sellers on Thursday.  "Elevated costs in fulfillment and logistics have increased the cost of operating across the industry," Amazon wrote in its announcement . "We have absorbed these increased costs so far. However, similar to other major carriers, when costs remain elevated, we implement temporary surcharges on our fulfillment fees to recover a portion of the actual cost increases we are experiencing."   Amazon said the new surcharge is "meaningfully lower" than what is charged by other major carriers.…