An anonymous reader writes "The Seoul Metropolitan Government just rolled out the world's first commercial all-electric bus service. The buses were designed to be as efficient as possible — each bus can run up to about 52 miles on a single charge and they have a maximum speed of about 62 miles per hour. The vehicles' lithium-ion battery packs can be fully charged in less than 30 minutes and they also feature regenerative braking systems that reuse energy from brakes when running downhill."
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