Refinery (IMAGE) University of Wisconsin-Madison Caption Corn ethanol — made at refineries like this one in Minnesota — has driven land-use changes and crop choices that have resulted in carbon emissions negating any climate benefits from replacing gasoline with ethanol. Credit Photo by Tyler Lark Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.