The growing controversy over bio-fuels is also on the agenda.

日益引起争议的生物燃料开发也是议题之一。

youdao

Some people are calling for a moratorium on the production of bio-fuels.

一些人呼吁暂缓生产生物燃料。

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The price of both of those crops has risen sharply in recent years because of their use in making bio-fuels.

由于这两种作物可以用于制造生物燃料，它们的价格在最近几年里都大幅攀升。

youdao

They hope that future synthetic cells can make useful bacteria for products like bio-fuels or vaccines, and to clean up polluted water.

VOA: special.2010.07.20

Vichai also warns that increasing demand for bio-fuels from grain could reduce food crops, forcing the price of food grains higher.

VOA: standard.2009.12.17

Branson is also trying to push bio-fuels in the airline industry, but the plan is controversial.

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The food products are processed to recover liquid fat which is used in the manufacture of bio-fuels.

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President Obama specifically mentioned clean coal, shale oil and gas as well as well bio-fuels and renewable energy.

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