Biofuels Groups, Refiners Spar Over Legality Of 2020-2022 RFS Volumes
(Inside EPA) Biofuels groups and refiners are sparring over the legality of EPA’s biofuel blending volumes for 2020 through 2022 under the renewable fuel standard (RFS), after criticizing other aspects of EPA’s volumes rule, as biofuels groups seek to maximize volumes