美国白宫：完成对环境保护局生物燃料混合规定方案的审查。

Core Points - The White House has completed its review of the Environmental Protection Agency's (EPA) biofuel blending regulations proposal [1] Group 1 - The review signifies a step forward in the regulatory process for biofuels, which may impact the renewable energy sector [1] - The completion of the review could lead to new guidelines that affect biofuel production and usage in the United States [1] - This action reflects the administration's commitment to environmental policies and renewable energy initiatives [1]