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电池汽车担心石油产品供应匮乏和汽车废气污染环境促进了电池汽车的研究进展。其关键在于开发新型高效的二次电池系统。若贮氢技术或直接甲醇燃料电池技术有重大突破，则以燃料电池为驱动力的汽车将会成为最理想的交通工具。（余）电池汽车...
Battery cars worried about the lack of supply of petroleum products and automobile exhaust pollution of the environment to promote the battery car research. The key is to develop new and efficient secondary battery system. If the hydrogen storage technology or direct methanol fuel cell technology has a major breakthrough, the fuel cell-powered cars will be the ideal means of transport. (More than) battery car ...