>It can cost $5,000-$10,000 per truck to fill up one time
What does it cost to fill up a big rig? At today’s retail diesel prices, which are around $3.00 per gallon according to SONAR (DTS. USA), a truck with one 120-gallon tank would cost around $360 to fill up or $900 for the longer-haul trucks with two 150-gallon tanks.
https://eastmanind.com/road-construction-equipment/how-much-does-it-cost-to-fuel-a-semi-truck.html