But questions remain about how realistic the goal and timeframe are, given recent and steep Nasa budget cuts, and some scientists are concerned that the plans are driven by geopolitical goals.
The original plan had been to begin the phase out and stop the importation of petrol and diesel vehicles from 2030.，推荐阅读WPS官方版本下载获取更多信息
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Жители Санкт-Петербурга устроили «крысогон»17:52
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