Barchart - Sugar prices rallied sharply on Wednesday, with NY sugar posting a 1.5-month high and London sugar posting a 4.75-month high. Soaring gasoline prices are boosting ethanol prices and are bullish for sugar. Gasoline (RBJ26) rallied to a 3.5-year high on Wednesday, which may encourage the world's sugar mills to increase ethanol production at the expense of sugar.