DUBAI FUTURES: August EFS soars above $4/b, hits 2-year high By admin Posted June 21, 2021 In In the News DUBAI FUTURES: August EFS soars above $4/b, hits 2-year high2021-06-212021-06-21/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px Front-month Brent-Dubai Exchange of Futures for Swaps spread rallied mid-morning June 22, crossing the $4/b…