The March floods that punished the U.S. Midwest have roiled the ethanol industry, hammering prices and trapping barrels in the country‚Äôs interior while the U.S. coasts suffer from shortages of the biofuel. The historic March floods have dealt a series of blows to large swaths of an ethanol industry that was already struggling with high inventories and sluggish domestic demand growth. And the ethanol shortages are one factor pushing gasoline prices in Los Angeles and Southern California to the highest in the nation and they could top $4 a gallon for the first time since 2014, according to tracking firm GasBuddy. Benchmark price for ethanol used in most supply contracts initially jumped on news of the floods […]