How Hundreds of 24-Ton Bricks Could Fix a Huge Renewable Energy Problem – CNET Posted on April 23, 2023 By Charlielikes Startup Energy Vault is building two massive gravity battery systems that could solve a massive issue with renewable energy. Tech Tags:‘a, ‘could, “problem”, 24-ton, billy wilkins, bricks, cnet, energy, fix, how, huge, hundreds, of, renewable, tech, technology