Commodities 2021: Debt increase, biofuels to challenge US refiners By admin Posted December 29, 2020 In In the News Commodities 2021: Debt increase, biofuels to challenge US refiners2020-12-292020-12-29/wp-content/uploads/liberty-petroleum-icon-logo2.pngLiberty Petroleum Corp/wp-content/uploads/liberty-petroleum-icon-logo2.png200px200px As oil refiners cope with the energy transition, the debt they have added to their…