Originally Posted by
ginmqi
Though I think it's always good to top off before returning the car to the customer lot if say more than a certain number of miles were driven for that purpose....especially if its a gas guzzler that was driven in stop-go traffic.
That would involve having to log the car out and in as a "non-revenue transfer" and thus tracing the car's extra usage back to the employee who took it...and then having to explain said usage to higher-level management. Far easier to just sneak such usage under the radar.
That said, larger operations (major airports, especially those with gated entry/exit) tend to be pretty good about logging every movement of each car.