Business Rio approves $2.5bn expansion Last updated: December 15, 2024 8:30 am The Tea News Published December 15, 2024 Mining heavyweight Rio Tinto is set to pour $2.5 billion into the expansion of its Rincon lithium project in Argentina as it builds on its battery metals portfolio. Leave a comment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.