A casual glance at the DOE's projections for us energy use look fairly green with renewable energy as a share of electricity production more than doubling by 2030 to over 12 per cent.
乍看上去，美国能源部对美国能源消耗的预测似乎相当环保：到2030年，可再生能源占总发电量的比例将增加一倍以上，超过12%。
However, it does move those emissions upstream wherethey can more easily be produced in a "more green" way in the future, orreplaced with large-scale renewable energy methods.
然而，氢动力汽车确实把排放放于首位，未来可以在此基础上以更加环保的方式生产氢气，或者用大量可再生能源替代它。
However, it does move those emissions upstream wherethey can more easily be produced in a "more green" way in the future, orreplaced with large-scale renewable energy methods.
然而，氢动力汽车确实把排放放于首位，未来可以在此基础上以更加环保的方式生产氢气，或者用大量可再生能源替代它。
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