U.S. refiners’ biofuel bills soar in oil market slump
Reuters U.S. oil refiners this quarter are expected to spend the most since at least 2018 to meet U.S. biofuels requirements, further pressuring margins hit by the collapse since March in global prices and demand. Under renewable fuel legislation originally aimed to support corn farmers, refiners have to blend biofuels like ethanol or diesel made from animal fats or vegetable