Carbon-capture pipelines offer climate aid; activists wary


              Project developers plan to build carbon capture pipelines connecting dozens of Midwestern ethanol refineries. Poet, the country's largest producer of biofuels, operates this refinery in Chancellor, South Dakota, shown on Thursday, July 22, 2021. The company has not indicated whether it will connect its ethanol refineries to the carbon capture pipelines. (AP Photo/Stephen Groves)
            
              Project developers plan to build carbon capture pipelines connecting dozens of Midwestern ethanol refineries. Poet, the country's largest producer of biofuels, operates this refinery in Chancellor, South Dakota, shown on Thursday, July 22, 2021. The company has not indicated whether it will connect its ethanol refineries to the carbon capture pipelines. (AP Photo/Stephen Groves)
            
              Project developers plan to build carbon capture pipelines connecting dozens of Midwestern ethanol refineries, such as this one in Chancellor, South Dakota, shown on Thursday, July 22, 2021. Corn absorbs the greenhouse gas carbon dioxide, but the process of fermenting it into ethanol releases carbon dioxide emissions. (AP Photo/Stephen Groves)