low-volatility fuel

After several hours of aimless searching they were getting low on fuel.

在几个小时漫无目的的搜寻之后，他们快没燃料了。

Notwithstanding important recent progressin developing renewable fuel sources, low fossil fuel prices could discourage further innovation in, and adoption of, cleaner energy technologies.

尽管近期在开发可再生燃料方面取得重大突破，但是化石燃料价格走低可能会阻碍更清洁能源技术的进一步创新和使用。

Progress in the development of renewables could be fragile, however, if fossil fuel prices remain low for long.

但是，如果化石燃料的价格长期走低，可再生能源的发展进程有可能变得危及累卵。

Fossil fuel prices are likely to stay "low for long".

化石燃料的价格很可能会“持续走低”。

They were low on fuel.

他们的燃料快耗尽了。