In NC we have mandatory yearly safety inspections. To renew your registration you must pass inspection. It would be easy for them to use the odometer reading at

In NC we have mandatory yearly safety inspections. To renew your registration you must pass inspection. It would be easy for them to use the odometer reading at the inspection to assess a road use tax. We do already pay a gas tax and a yearly property tax at the state and local level for cars plus a sales tax on new cars.