Bolivia’s president says the Andean country's total lithium resources have increased 2 million tons to a total of 23 million tons.

LA PAZ, Bolivia (AP) — The total of Bolivia’s confirmed lithium resources has increased 2 million tons to 23 million tons, the Andean country’s president said Thursday.

The new estimate further cements Bolivia’s position as the country with the world’s biggest known deposits of lithium, which is in high demand for use in batteries.