The increase in spot prices is always reflective of an increase in crude oil prices. Station owners always have to think about restocking. If they're going to buy more, they'll have to charge the higher price.

While traders and investors have focused on strong demand growth, sizable additions to supply have largely been ignored.

Actual changes in production will not reassure markets unless they go hand in hand with an increase in capacity.

A sudden and violent crash in crude oil prices cannot be dismissed.

Half of the refining industry's capacity is located alongside the Gulf of Mexico.