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An interdisciplinary team of scientists has worked out a way to make electric vehicles that are not only carbon neutral but carbon negative, capable of actually reducing the amount of atmospheric carbon dioxide as they operate. The team adapted a solar-powered process that converts carbon dioxide into carbon so that it produces carbon nanotubes and demonstrated that the nanotubes can be incorporated into both lithium-ion batteries, like those used in electric vehicles and electronic devices, and low-cost sodium-ion batteries, under development for large-scale applications, such as the electric grid.
Image credit: Julie Turner / Vanderbilt University
