Energy crisis refers to a critical in the supply of energy-producing fuels, such as , oil, and . During the early 1970’s, the demand for petroleum increased , and Western countries depended heavily on imported . The situation became during the Arab-Israeli War of 1973, when the Arab nations oil production and embargoed oil shipments to the United States and other countries that Israel, causing an acute shortage in these countries during the winter of to 1974.