Oil refinery
The announcement came as the U.S. released new evidence to support its allegation that Iran was responsible for the attack on Saudi Arabia's oil sites.
Trump reportedly told EPA head Andrew Wheeler to grant 31 waivers exempting refineries from using corn-based ethanol.
The Washington governor made the remark a day after Bernie Sanders called out the industry’s “criminality” in the Democratic debate.
Last month's explosion at a 150-year-old oil refinery in Philadelphia could have forced 1.1 million people to evacuate.
