Controlled burning in cooler months, to reduce fuel loads, was given up in many places after city people protested about smoke hazes.

此前的策略是在凉爽的季节里，有控制地燃烧部分森林，以减少可燃物载量（fuel loads），由于市区民众纷纷抗议由此引起的烟雾，这个办法已经在许多城市被弃用。

youdao

Since white dwarves have no fuel left for fusion, they grow cooler and cooler over billions of years to become black dwarves too faint to detect.

随着白矮星变得没有剩余的燃料用于聚变，它们会在之后的几十亿年中越来越冷，而成为难以被探测到的黑矮星。

youdao

Plan 2 is that heating in winter by water heaters using natural gas for fuel and cooling in summer by power driven centrifugal water cooler.

方案2是以天然气作为燃料，采用热水锅炉实现冬季供热，以电为动力、采用离心式冷水机组实现夏季供冷。

youdao

Other than embarrassment, why on earth would the engine maker oppose a method that makes its engines run cooler and with less fuel?

FORBES: Institutional Stupidity, III

Controlled burning in cooler months, to reduce fuel loads, was given up in many places after city people protested about smoke hazes.

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