In February 2024, the U.S. Department of Energy announced $20 million for 16 projects across 8 states to accelerate the natural subsurface generation of hydrogen. The teams are set to receive funding through two Advanced Research Projects Agency-Energy (ARPA-E) Exploratory Topics on geologic hydrogen: Production of Geologic Hydrogen Through Stimulated Mineralogical Processes and Subsurface Engineering for Hydrogen Reservoir Management.