In the depths of the farm crisis ethanol was seen as one of the great hopes for reviving the agricultural economy. The course of the ethanol industry, however, has not always run smoothly. Some consumers have complained about using fuel with ethanol in it, and it has been hard to gain a large market share. Now there appear to be threats to federal subsidies, but Minnesota's ethanol producers are still confident about the future of their industry. Minnesota Public Radio's Gretchen Lehmann reports.