What is the primary source of fuel in south america? coal petroleum timber iron-ore

Petroleum

South American oil production is mostly carried out by Brazil, Mexico and Venezuela. These countries were responsible for about 75% of the region's total output in 2014. These countries are also giants on the international stage, ranking as the world's ninth, 10th and 12th biggest oil producers , respectively. The United States which is the world's biggest oil consuming country, consumed 18.5 million barrels of oil per day, also imports most of its oil from Latin America.