It is my understanding that there is enough shale oil in the United States to produce over 5 million barrels a day of usable oil. Why are we so dependent on the middle east when we have such a vast resouce in our own country? One report I read said we could produce a barrel of oil for $40.00 from shale oil versus the over $100.00 per barrel we are paying now. Please help me understand this. My direct email is email@example.com Thank you!!