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Iceland has energy to spare,and the small country has found a cutting-edge (尖端的)way to reduce its oil dependency.Volcanoes formed the island nation out of ash and lava (熔岩),which heat huge underground lakes to the boiling point.The hot water is piped into cities providing heat for homes,businesses and even swimming pools.The water runs through turbines(涡轮机),providing all the country’s electricity.
Iceland wants to make plans to improve its cars,buses and trucks to run on renewable energy.Iceland has already started by turning water into fuel—hydrogen fuel.Here’s how it works:Electrodes (电极)change the water into hydrogen and oxygen molecules.Hydrogen electrons pass through a conductor that creates the current to power an electric engine.
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