i have a question on the cdl permit..........i was told that if you have a person with a permit driving a truck with a licensed cdl operator that we can only drive for a total of 14 hours is this true.....also if we have one licensed cdl driver and we have two drivers with permits in the truck with the licensed driver how many hours can we drive....we will only do this for a short period of time just looking for some asnwers