FILE PHOTO: U.S. Energy Secretary Jennifer Granholm testifies at a congressional hearing on Capitol Hill in Washington, U.S., June 15, 2021. REUTERS/Evelyn Hockstein/File Photo
FILE PHOTO: U.S. Energy Secretary Jennifer Granholm testifies at a congressional hearing on Capitol Hill in Washington, U.S., June 15, 2021. REUTERS/Evelyn Hockstein/File Photo