In the Madre de Dios region of Peru, 85 percent of fuel sales is used to operate machinery for illegal mining operations. Only 15 percent of all fuel sales is used for automobiles.
The illegal mining machinery requires 70 to 80 gallons of fuel to operate per day.
The area, located on the borders of Peru, Brazil, and Bolivia, has seen an increase illegal mining. Government officials estimate that up to 97 percent of the miners working in the region are unregistered.
Source: Marguerite Cawley, “High Fuel Demand Highlights Illegal Mining in Peru Amazon,” Insight Crime, July 15, 2013.