The U.S. Department of Agriculture (USDA) announced the publication of an interim rule on Technical Guidelines for Climate-Smart Agriculture Crops Used as Biofuel Feedstocks. The interim rule establishes guidelines for quantifying, reporting, and verifying the greenhouse gas (GHG) emissions associated with the production of biofuel feedstock commodity crops grown in the United States. These guidelines will facilitate the recognition of climate-smart agriculture within clean transportation fuel programs, creating new market opportunities for biofuel feedstock producers while enhancing climate benefits.