These efforts led to major improvements in energy efficiency. From 1973 to 1985, US energy consumption per dollar of GDP declined by 28% – five times faster than during the previous quarter-century, according to the DOE.
上述努力极大地改善了能效。从1973年到1985年，美国单位美元GDP能耗下降28%——按照能源部的说法，比之前的25年速度快5倍。