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Energy Storage Technology
New Technique to Turn Abandoned Mines Into Batteries
Underground Gravity Energy Storage system: a schematic of different system sections. Credit: Hunt et al.A novel technique called Underground Gravity Energy Stor…
Oil&Gas Drilling
China's Top Coal Province to Seek Investors Extracting Gas from Abandoned Mines
Shanxi holds about 2,052 sq km of depleted coal mine zones that could contain an estimated 72.6 billion cubic metres of coal-seam gas.
