AUTHOR=Monsalve Jorge M. TITLE=A theoretical assessment of the on-site monitoring of hydrogen-enriched natural gas by its thermodynamic properties JOURNAL=Frontiers in Energy Research VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2025.1339598 DOI=10.3389/fenrg.2025.1339598 ISSN=2296-598X