"As in other parts of Latin America, oil and gas companies in Brazil are forced to pay royalties, either to the federal government or the local government, depending on the jurisdiction." "These payments are earmarked for protection of biodiversity and reduction of air and water pollution – but the priorities aren't clearly defined, and the money is often pooled into larger budgets. This leaves the money it public coffers with no financial mechanisms for channeling it to the economic projects for which it is intended."
Royalties for fossil fuel extractive activities vary from 5-10%.