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An electric bus is a bus powered by electricity. There are two main electric bus categories: * Non-autonomous electric buses: * *The trolleybus is a type of electric bus powered by two overhead electric wires, with electricity being drawn from one wire and returned via the other wire, using two roof-mounted trolley poles. * *The gapbus is a bus without rails or surface power lines, and it can share the road lane with other vehicles as well. Power is supplied over a gap of from a power line embedded in the ground. * * Online Electric Vehicle (OLEV) by KAIST, propelled by a high frequency electric cable buried under the pavement.〔(OLEV )〕 *The onboard stored-electricity bus (autonomous electric buses): * *Battery electric bus and Capabus * *Gyrobus For information on buses using a combination of internal combustion engines and electric propulsion, see Hybrid electric buses and Dual-mode buses. == History== Seoul Metropolitan Government runs the world's first commercial all-electric bus service. The bus was developed by Hyundai Heavy Industries and Hankuk Fiber which make a lightweight body from carbon composite material. Provided with Lithium-ion battery and regenerative braking, the bus may run to in a single 30 minutes charge. The maximum speed is .〔http://inhabitat.com/south-korea-unveils-worlds-first-commerical-electric-bus/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「electric bus」の詳細全文を読む スポンサード リンク
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