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电动汽车还在研究开发中,美国的科学家已高兴地告诉大家,他们找到了更新的驱动能源,比电力更便宜,且不会造成环境污染。这种新的能源就是液化氮。液化氮可以成为未来的汽车能源。为了证实这一理论,他们将一辆普通小货车改装成为用液化氮发动。科学家们
Electric vehicles are still under research and development. Scientists in the United States have been happy to tell you that they have found newer renewable energy sources that are cheaper than electricity and do not cause environmental pollution. This new energy source is liquefied nitrogen. Liquefied nitrogen can become the future of automotive energy. In order to confirm this theory, they modified an ordinary pickup truck to start with liquefied nitrogen. scientists