Grassley Prods EPA on Exemptions for Renewable Fuel Standards

US Sen. Chuck Grassley on Wednesday prodded the Environmental Protection Agency to answer concerns raised about how it is administering exemptions from biofuel blending mandates for some refineries.

• In a Jan. 14 letter to EPA Administrator Lee Zeldin, the Iowa Republican asked the agency to answer several questions “to reinforce the integrity” of the renewable fuel standard, which sets blending mandates for biofuels
  • Waivers are often granted to smaller refineries, and those facing economic hardship
• Biofuel producers, as well as refiners, have been waiting on Washington to release its final 2026-2027 biofuel-blending policy
  • Trump administration earlier this year proposed ...