https://www.cnbc.com/2022/12/05/microsoft-backed-start-up-heirloom-uses-limestone-to-capture-co2.html
Daryl Haack has been farming since the mid-1960s and is one of the founding board members of the Iowa Renewable Fuels Association (IRFA) and Little Sioux Corn Processors (Little Sioux), an ethanol plant near Marcus, Iowa, northeast of Sioux City. He has watched the biofuels industry grow from the ground up. He sat down with Successful Farming to reminisce on how the industry began and discuss where it is headed.