The D.C. Circuit denied a petition to review EPA's 2023 regulations that imposed new reporting requirements on biogas producers. An industry group argued, among other things, that EPA had no…

The D.C. Circuit rejected challenges to renewable fuels standards EPA set for 2020, 2021, and 2022. Cellulosic biofuel producers argued the standards were set too low, and petroleum refiners…

The Fifth Circuit, 2-1, granted six small refineries' petitions to review an EPA decision denying their requested exemptions from obligations under the CAA Renewable Fuel Standard (RFS)…

The Fifth Circuit granted small refiners' motion to stay certain compliance obligations under the CAA pending appeal of EPA's decision denying their requested hardship exemptions from…

The D.C. Circuit granted in part environmental groups' petition to review EPA's 2019 rule setting annual renewable fuel volume levels under the Renewable Fuel Standard (RFS) program. The…

The D.C. Circuit vacated in part EPA's 2019 rule lifting seasonal restrictions on the sale of higher-ethanol fuel. Petroleum industry groups challenged a specific section of the rule, in…

The Fourth Circuit granted for a second time an oil refinery's petition to review EPA's decision denying the refinery an exemption from biofuel requirements under the Agency's…

The Tenth Circuit vacated EPA orders that granted extensions of exemptions under the CAA's renewable fuels program for three small refineries. Industry groups challenged the orders, arguing…

The D.C. Circuit upheld EPA's decision to modify the criteria or lower the threshold by which the Agency determined whether to grant small refineries an exemption from the CAA's…

The D.C. Circuit upheld EPA's implementation of its Renewable Fuel Standards Program, which requires transportation fuel sold in the United States to contain a minimum volume of renewable…