The Biden administration is advancing a fuel policy shift demanded by Midwest governors who expect it will encourage filling stations to sell higher-ethanol E15 gasoline and offer it year round.

The Biden administration sought to thread the needle between warring oil and renewable fuel interests Dec. 7 by proposing modest quotas for the use of plant-based fuels while moving to block exemptions for dozens of oil refineries.

The Trump administration advanced a flurry of biofuel policy proposals Jan. 15, including plans that could help ethanol producers sell more of the corn-based fuel.