What is the business code for driving vehicles for a car dealership to have them fueled?

[davidandpaularum]

I am not an employee, but an independent contractor.

[Vanessa · Accepted solution]

485990   Other transit & ground passenger transportation

488000   Support activities for transportation (including motor vehicle towing)

https://taxmap.irs.gov/taxmap/instr/i1040sc-016.htm

If neither of those apply or you don't see something better, you can use 999999 as unclassified.