Yesterday, WPI briefly examined how biodiesel production margins have surged alongside broader energy markets following the U.S./Israel-Iran conflict. The surge in energy prices lifted biodiesel margins to two-year, if not higher, levels and has exerted a similar, positive effect on ethanol production margins.  WPI’s updated models looking at ethanol production margins suggest that returns above total costs rallied from -$0.07/gallon last week to $0.29/gallon as of midday Friday. Returns above variable costs (which WPI often finds to be a better predictor of the industry’s response to financial swings) are forecast to be near $0.50/gallon right now, up about fourfold from last week.  The primary driver of this improvem...