https://www.reuters.com/article/us-panasonic-results/panasonic-sees-strong-demand-from-tesla-in-talks-to-expand-nevada-battery-plant-idUSKBN22U0MF >Panasonic Corp's finance chief said the company is seeing strong demand for battery cells from U.S. partner Tesla and they are in talks to expand their joint plant in Nevada, which is now profitable.