What drives the basic economies of the airline industry? The refining industry?

2.    How is Delta different from other airlines?

3.    How would owing the Trainer Refinery help Delta manage its fuel costs in the future? Is this offset by operation cost?

4.   What impact does buying an oil refinery have on Delta as a company? Is this a good strategic move? Why/why not?

5.   How does the merger between Delta and Virgin Airlines impact the company as a whole?