Argentine scientist Roberto Salvarezza, president of the subsidiaries YPF-Litio and YPF-Tec, speaks during an interview with AFP in Berisso, Buenos Aires province, on October 18, 2022. - With 19 million tons, Argentina is, after Bolivia, the country with the largest lithium reserves. Now, amid the "white gold" boom, it wants to control the entire production chain: from extraction in the salt flats to manufacturing electric cars. (Photo by JUAN MABROMATA / AFP)