Original ResearchPublished 25 June 2026Strategies for large-scale deployment of low-emissions hydrogen for CO 2 abatement in petrochemical clustersTharun Roshan Kumar · Johanna Beiron · V. R. Reddy Marthala · Lars Pettersson · Simon Harvey · Henrik ThunmanFrontiers in Chemical Engineeringdoi 10.3389/fceng.2026.1837323