The track system of course has finite capacity, but how close to that finite capacity are they running, and how much of that capacity is the new oil demand? If

The track system of course has finite capacity, but how close to that finite capacity are they running, and how much of that capacity is the new oil demand? If new new oil demand makes the capacity go from 9% to 12% that is one thing, and quite another going from 68% to 98%...