AMERICAS BUNKERS: Key market indicators May 17-21 By admin Posted May 17, 2021 In In the News AMERICAS BUNKERS: Key market indicators May 17-212021-05-172021-05-17/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px Retail marine fuel spot pricing moved mostly lower the week of May 10-14 in key…