FILE PHOTO: Ana Cabral-Gardner, CEO of Sigma Lithium Corp , speaks during an event in Aracuai, in Minas Gerais state, Brazil April 18, 2023. REUTERS/Washington Alves/File Photo
FILE PHOTO: Ana Cabral-Gardner, CEO of Sigma Lithium Corp , speaks during an event in Aracuai, in Minas Gerais state, Brazil April 18, 2023. REUTERS/Washington Alves/File Photo