When the new Congress returns to Washington in January, members are expected to resume work on energy legislation that would be a giant boost for the corn-based fuel, ethanol. The energy bill would more than double the nation's use of ethanol over the next ten years. Ethanol supporters, such the nation's corn farmers, say it's a way to reduce this country's dependence on foreign oil and benefit the environment at the same time. Ethanol opponents doubt those arguments, but they're fighting a losing battle. Minnesota Public Radio's Mary Losure has the latest in our occasional series on ethanol.