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The U.S. Environmental Protection Agency has issued a permit to One Carbon Partnership for underground carbon dioxide storage at the Cardinal Ethanol facility in Randolph County, Indiana. The project permits the injection of up to 450,000 metric tons of CO2 annually, amounting to 13.5 million metric tons over 30 years.

Stringent safeguards, including a 487-foot confining zone and 50 years of monitoring post-injection, aim to protect underground drinking water. The approval followed a comprehensive technical review and community engagement. The permit is subject to appeals for 30 days.