Changes

'''Big Oil''' is a pejorative term used to describe the major [[petroleum]] companies such as Exxon-Mobil, Chevron-Texaco, BP, Total, ConocoPhillips and RoyalDutchShell.  These are some of the largest [[corporation]]s in the world, although several other state-owned oil companies are also becoming large oil exploration and production companies.  These are Saudi Aramco, Russia’s Gazprom, NIOC of Iran, Venezuela’s PDVSA, CNPC of China, Brazil’s Petrobras and Petronas according to the Financial Times.<ref>[http://www.ft.com/cms/s/471ae1b8-d001-11db-94cb-000b5df10621.html The new Seven Sisters: oil and gas giants dwarf western rivals]</ref>

'''Big Oil''' is a pejorative term used to describe the major [[petroleum]] companies such as Exxon-Mobil, Chevron-Texaco, BP, Total, ConocoPhillips and RoyalDutchShell.  These are some of the largest [[corporation]]s in the world, although several other state-owned oil companies are also becoming large oil exploration and production companies.  These are Saudi Aramco, Russia’s [[Gazprom]], NIOC of Iran, Venezuela’s PDVSA, CNPC of China, Brazil’s Petrobras and Petronas according to the Financial Times.<ref>[http://www.ft.com/cms/s/471ae1b8-d001-11db-94cb-000b5df10621.html The new Seven Sisters: oil and gas giants dwarf western rivals]</ref>

== Politics ==

== Politics ==