The University of Texas at Austin lab experiments demonstrate that injecting CO2-rich water into iron-rich volcanic rocks accelerates both mineral carbonation and hydrogen release via enhanced serpentinization, achieving roughly 0.5% of theoretical H2 yield under 90°C and 1.2-1.7 MPa conditions. This goes beyond the New Scientist report by highlighting missed connections to existing Carbfix operations in Iceland, where similar mineralization already occurs at geothermal sites, suggesting co-location could simultaneously extract geothermal energy, sequester CO2, and generate H2 without new infrastructure. Unlike purely natural hydrogen prospects limited by accumulation and sealing issues, this stimulated approach actively engineers the reaction, yet the study relies on small rock samples in pressurized containers rather than in-situ cores, lacks peer review (results presented at EGU), and omits quantification of energy inputs or nickel catalyst sourcing impacts. Synthesizing with related work, such as Matter et al. (2016) on Carbfix mineralization rates and recent serpentinization kinetics papers, reveals the method's potential to address green H2's renewable energy competition problem while mitigating storage leakage risks. Limitations include low conversion efficiency needing doubling to 1%, geological variability in basalt formations, and untested long-term catalyst effects on aquifers. If scaled via industry field trials, it offers a genuine double-win pathway distinct from electrolysis or fossil-derived H2.