A new report warns the popularity of ethanol could have a greater impact on the food supply than previously predicted. The environmental group Earth Policy Institute said 79 new biorefineries are being built, but a key industry count lists only 62, causing experts to underestimate the amount of grain that would be needed for ethanol. The report also says ethanol production could push corn prices so high that some ethanol producers would merely break even, if they do not lose money. To read more, click here.