Petroleum industry in Nigeria to transport the crude oil. Also because of the lack of highly productive fields, money from the jointly operated (with the federal government) companies is constantly directed towards petroleum exploration and production. Nigeria's petroleum is classified mostly as "light" and "sweet", as the oil is largely free of sulphur. Nigeria is the largest producer of sweet oil in OPEC. This sweet oil is similar in composition to petroleum extracted from the North Sea. This crude oil is known as "Bonny light". Names of other Nigerian crudes, all of which are named according to export terminal, are Qua Ibo, Escravos blend,
Commodity currency Commodity currency A commodity currency is a name given to some currencies that co-move with the world prices of primary commodity products, due to these countries' heavy dependency on the export of certain raw materials for income. Commodity currencies are most popular in developing countries (eg. Burundi, Tanzania, Papua New Guinea). However developed countries like Canada and Australia can also have this type of currency. For example, the Canadian Dollar grows stronger, the higher the price of soybeans and oil because these are Canada's two major commodities. In the foreign exchange market, commodity currencies generally refer to the Australian dollar,