Plants today are green because they use green chlorophyll to produce energy.

现在的植物是绿色的，因为它们利用绿色的叶绿素产生能量。

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Engines can run on alcohol, so surplus sugar cane could be used to produce energy.

发动机可用乙醇作燃料开动，因此，过剩的甘蔗可用来产生能量。

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The scans showed how the brain cells used sugar to produce energy, a normal activity.

扫描显示了脑细胞用糖生产能源，正常的活动。

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"And this bill will eliminate even more American energy jobs, making it harder and more expensive to produce both energy on and offshore.

VOA: standard.2010.07.31

Even China's government has commissioned a U.S.firm to build a massive facility that would produce 80 times more solar energy than the new Florida plant.

VOA: standard.2009.10.27

Corn-based ethanol produces only slightly more energy than it takes to produce it.

VOA: standard.2009.09.02

It takes energy to produce energy: pumps must be powered and vast quantities of seawater desalinated.

ECONOMIST: Gulf states not only pump oil; they burn it, too

Iran, which says its nuclear program is strictly to produce energy, defends its right to proceed with enrichment.

CNN: Iran Gen.: Our finger is always on the trigger

In short, America needs to produce energy that is clean, safe, secure and abundant, and to do it now.

FORBES: A Challenge to America: Develop Fusion Power Within a Decade