President Trump didn’t forget that he promised Iowa’s corn growers he be there for them if they helped send him to Washington. He’s told the Environmental Protection Agency to start the process of permitting the year-round sale of E15, a gasoline blend that’s 15 percent ethanol.

This move is not only a massive handout to special-interest groups, but it also imposes serious costs on the average American family. All the while, it provides virtually zero environmental benefit.