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World's top 20 oil producers revealed

A view of Luanda's Central Business District (CBD) taken on August 30, 2012. The ruling Popular Movement for the Liberation of Angola party (MPLA) of President Jose Eduardo dos Santos, which has been in power since independence 37 years ago, competes on August 31 in the legislative poll against 8 other political parties, including the main opposition Union for the Total Independence of Angola (UNITA). Dos Santos promised that with a new term he would push ahead with his multi-billion-dollar drive to rebuild the country after the civil war that ended a decade ago. MPLA was widely expecting to win the elections and beat the UNITA former rebel movement which does not have the same access to funds or the state-controlled media. AFP PHOTO / STEPHANE DE SAKUTIN

World's 20 biggest oil producers

With crude production of crude oil on track for the biggest single-year gain in 60 years, the U.S. could be set to push past Saudi Arabia as the globe's top oil producer. Here we count down the world's top 20.