Their supposedly clean, green fuel has been gobbling up some of the choicest food crops, including corn, rape, and soya.

他们宣称清洁、绿色的能源已经吞噬了一些最好的粮食作物，包括玉米、油菜和大豆。

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Bio -diesel is one of the best substitute green fuel.

生物柴油是最接近石化柴油的绿色替代燃油。

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As a green fuel, ethanol is a good idea, but the sort that America produces is bad.

使用绿色能源乙醇，是个不错的主意，但是美国生产的方法不对头。

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At the same time, the availability of a cheap and relatively green fuel may push up global energy consumption.

ECONOMIST: Natural gas

Dr Venter maintains that artificial life forms could produce solutions to global problems such as green sources of fuel and climate change.

BBC: NEWS | Science/Nature | Patent sought on 'synthetic life'

Other green initiatives included promoting fuel-efficient vehicles, rail transport, electricity grid improvements, and pollution control.

FORBES: Needed: A Global Green New Deal