The price [of oil] is set on the world market by willing buyers and sellers,

Iran has already said it's not going to use oil as a political weapon.

The trend upward is definitely a direct result of Hurricane Katrina. The price of crude oil is set in international markets. We are not insulated from the price of the raw material. We can't isolate ourselves, because if our prices are substantially lower in the Intermountain West than, for example, in the Midwest, it then becomes economical to send trucks from the Midwest to terminals in the West.

The current level of oil prices is simply unsustainable...to keep the price at these levels would mean starving the world of the oil it needs,

They average about 5 miles per gallon, depending on the route and the load, they change oil about every 5,000 miles and have 18 tires which are predominantly petroleum products. When oil and diesel prices go up, there is a significant impact on the industry.

The market is so volatile at the moment ... the one thing the oil market desperately needs at the moment is clarity from OPEC, and it's not getting it.