https://www.reuters.com/article/us-tesla-gigafactory-panasonic/tesla-panasonic-to-seek-productivity-gains-before-new-battery-investments-idUSKCN1RN117

Panasonic Corp and Tesla Inc will continue to make new investments in the U.S. electric carmaker's Gigafactory as needed, but believe they can squeeze more out of existing resources than previously planned, Tesla said on Thursday.