The US Department of Energy is supporting the development of hydrogen fuel cell technology by funding a new research facility at Argonne National Laboratory. This facility will independently test large-scale hydrogen fuel cell systems, particularly for heavy-duty and off-road applications such as heavy trucks, railroad locomotives, and marine vessels. With an investment of around $4 million, the facility will focus on evaluating polymer electrolyte membrane fuel cell systems ranging from 150 to 600 kilowatts, aiming to advance fuel cell performance and pave the way for integrating this technology into various transportation applications. The goal is to provide a national resource for developers, technology integrators, and end-users in the heavy-duty transportation sector. While there is evidence of successful trials of hydrogen combustion-powered heavy trucks at Anglo American's Mogalakwena mine and fuel cell-powered concepts like Komatsu's medium-sized excavator, there are reservations about the efficiency of hydrogen fuel cells. Some experts believe that alternative technologies like swappable batteries may offer a more sustainable solution for the future. The article emphasizes the importance of testing infrastructure and research in improving fuel cell technology for a greener transportation sector.