Across two continents, officials are confronting the same nightmare scenario: a reservoir so depleted it can no longer move water by gravity. Once a system slips past this so‑called dead level, taps, ...
Oak Ridge National Laboratory is investigating whether thousands of abandoned coal mines scattered across the United States could serve as underground reservoirs for pumped storage hydropower, ...
Hydrogen is increasingly viewed as a critical energy carrier capable of supporting decarbonization across sectors such as industry, transportation, and power generation. Unlike fossil fuels, hydrogen ...