Brazilian state-run oil and gas company Petrobras (<a href="https://www.b3.com.br/pt_br/market-data-e-indices/servicos-de-dados/market-data/cotacoes/?symbol=PETR4" target="_blank">BVMF:PETR4</a>) has inked a protocol of intentions with the Rio de Janeiro state government to study the feasibility of an offshore wind power pilot project.