Denbury operates the largest CO2 pipeline network in the United States, spanning over 1,300 miles across the Gulf Coast and Rocky Mountains. Now part of ExxonMobil, the company focuses on transporting captured CO2 for both Enhanced Oil Recovery (EOR) and permanent geologic storage. - **Tags**: co2 pipeline, carbon transport, eor, carbon storage, midstream - **Reasoning**: Denbury owns the most ext