答案在The Economist March 26th 2022 United States 中“Lexington︱Energy innovation’s big moment” 这篇文章第三段可以找到。
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peter out 逐渐停止，慢慢消失
同义词：die out, fade, stop, decline
造个句子
The fighting which started in the night had petered out by morning.
夜间开始的战斗到早上逐渐平息了。
试译下这段吧
Its clean-tech sector is in ferment. The administration used one of the world’s biggest energy confabs, held in Houston this month, to broadcast its plea for more hydrocarbons. Less publicised, notes Daniel Yergin, an energy guru and one of CERAWeek’s organisers, was the fact that the summit’s energy-innovation section drew bigger crowds than the main event. Clean tech attracted over $87bn of investment from venture-capital and private-equity firms alone in the year to June 2021. And there is little expectation, even as interest rates rise, of the boom petering out. It is being driven by three forces that seem likelier to grow: society’s fear of climate change, long-term corporate commitments to decarbonisation, and the underappreciated impact of shrewd legislation.
