Oil is a commodity of basic strategic importance. No modern defence system can be maintained and no wars fought without a great supply of oil. Thus, significant quantities of scarce oil resources are currently being diverted for military purposes, resulting in less constructive uses of natural energy resources for humanitarian purposes.
The U.S. Department of Defense accounts for an estimated 80% of the federal government’s energy consumption. The defense department is also the world’s single largest institutional consumer of petroleum, which supports the world’s largest collection of guns, tanks, military aircraft and warships.