A trade organization representing U.S. refiners is asking an appeals court to reject a Trump administration plan to expand nationwide the blending, distribution and year-round sale of E15 fuel.
The fuel is gasoline blended with 15% ethanol.
Though E15 is currently allowed on the market, nearly all gasoline sold in the United States has a 10% blend with ethanol — E10.
Most heavy-duty trucks are powered by diesel, but nearly 30% of fuel used by other trucks is gasoline, according to American Trucking Associations.
The final Environmental Protection Agency rule regarding E15, published in the Federal Register on June 10, will permit sale of E15 blends year-round. Previously the E15 blend was not permitted to be sold in the summer months because it creates higher emissions in warmer weather.