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。

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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。

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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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The gathering is also expected to address environmental challenges and the need to develop alternatives to fossil fuels.

VOA: standard.2009.04.15

They help the government pursue its long-term goals, such as finding alternatives to fossil fuels.

ECONOMIST: The hidden costs of state capitalism

Businesses are investing in alternatives to fossil fuels because they assume that carbon emissions will be constrained in the future.

ECONOMIST: The environment

C. still prefers to let technology be the driving force in the quest for low cost alternatives to fossil fuels.

FORBES: Magazine Article