The article discusses a study conducted by researchers at Technical University Berlin, published in Nature Energy, focusing on the potential of hydrogen and carbon dioxide (CO2) transport networks in decarbonizing Europe's energy system. The researchers aimed to understand how these networks could contribute to a climate-neutral energy system and address energy-intensive sectors needing alternative solutions. The study used the PyPSA-Eur platform to model different scenarios, concluding that a combination of hydrogen and CO2 networks is the most cost-effective approach, potentially saving billions annually. The research emphasized the importance of coordinated planning and highlighted the complementary roles of these networks in efficiently transporting energy and captured CO2. The findings suggest a need for integrated strategies across sectors and borders to achieve a sustainable and clean energy system.