但能源部称，若不明确实施《清洁电力计划》，这一趋势很有可能会发生逆转。
But without enforcement of the Clean Power Plan looming on the horizon, that trend could reverse, the Energy Department said.
2015年8月，美国制定完成“清洁电力计划”，该计划将使电力行业二氧化碳排放到2030年比2005年减少32%。
In August 2015, the United States finalized the Clean power Plan, which will reduce CO2 emissions from the power sector to 32% below 2005 levels by 2030.
这个城市的巴士车队，包括700多名电力驱动车辆，到2020年，计划将所有的巴士这一清洁空气技术。
The city's bus fleet includes over 700 electric-drive vehicles, with plans to convert all the buses to this clean-air technology by 2020.
这个城市的巴士车队，包括700多名电力驱动车辆，到2020年，计划将所有的巴士这一清洁空气技术。
The city's bus fleet includes over 700 electric-drive vehicles, with plans to convert all the buses to this clean-air technology by 2020.
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