America’s Oil Hub Isn’t Empty—So Why Is the Market So Tight?

America’s oil reserves are not one single stockpile. At Cushing, Oklahoma—the delivery hub for WTI crude—commercial oil inventories can remain above zero while approaching operational “tank-bottom” conditions. This Earth & Empire documentary explains Cushing oil storage, tank bottoms, and why these commercial crude inventories are different from the U.S. Strategic Petroleum Reserve stored in Gulf Coast salt caverns. #CushingOil #OilInventories #WTICrudeOil