The tag USES ink laced with carbon nanotubes to print electronics on paper or plastic that could instantly transmit information about a cart full of groceries.

该标签利用掺有碳纳米管的油墨将电路印刷到纸或塑料上，瞬间便能读取满满一购物车里各类商品的信息。

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When it reaches full capacity in 2012, it will employ 2, 700 workers and produce some 5.1m tons of carbon and stainless steel per year.

当在2012年全面投产后，它将雇用2700名员工，并将年产510万吨的碳钢与不锈钢。

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Even the new figure could be an under-estimate, the team suggests, because it doesn't account for the full range of positive feedbacks, such as melting permafrost releasing methane and carbon dioxide.

研究小组指出，就连这个数字也可能估计不足，因为它没有解释正反馈的方方面面，比如释放出甲烷和二氧化碳正在融化的永久冻土层。

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These engines use gasoline or diesel, and both fuels are full of chains of carbon atoms known as octane.

NPR: Has the Move to Make Cars Greener Stalled?

In other words, no single category of renewable energy is growing anywhere near the speed it needs to bear the full brunt of displacing carbon-emitting fossil fuels anytime soon.

FORBES: America's Best Places For Alternative Energy

However, beyond the smokestack, looking at the full life-cycle accounting for carbon of various biomass feedstocks, other reports have found that the source of the feedstock matters.

FORBES: Massachusetts Addresses "Biomass Loophole" and Limits Subsidies