One is a solar startup that's hoping to power Africa using clean energy. Another, backed by Bill Gates, is using biofuels as a renewable gateway, while the third is on a mission to bring fusion to the grid and solve the last piece of the clean energy puzzle. What will it take to get these innovative alternatives off the ground and making considerable differences? Xavier Helgesen of Off Grid Electric, Christofer Mowry of General Fusion, and Isabel Hilton of took to the stage to discuss.
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