Service interval - nope
Remaining fuel distance - already there $IBusCommunicatoRR_RANGE$
remaining Fuel Distance at consumption - not sure what you mean, difference to "Remaining fuel distance"?
real speed - $IBusCommunicatoRR_OBCSPEED$ is the current speed, mph will be added
arriving time - can be added
Consumption correction - nope
If you do have information or know where to get it I can add it.