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The future of a cleaner, cheaper power grid is batteries
On the southern edge of the island of Kauaʻi sits an unsightly diesel power plant. The rust-covered smokestacks (a by-product of being next to the ocean) that emit a mechanical engine drone are a stark contrast to the serene beauty of the rest of the Hawaiian island. For decades this smoke-belching eyesore was the main source of electricity for Kauaʻi. But now it's being overtaken by renewable sources -- one that's made possible by batteries like those being built by Tesla.
