The hunt is on for alternatives to fossil fuels.
这项研究旨在寻找化石燃料的替代能源。
The gathering is also expected to address environmental challenges and the need to develop alternatives to fossil fuels.
这次峰会预计还将讨论环境挑战和开发替代燃料等问题。
At least the X Prize Foundation is up to some serious job with respect to discovering clean alternatives to fossil fuels.
至少在X奖基金会是由一些严重的就业方面的发现清洁替代矿物燃料。
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