While fuel cell or electric vehicles emit no carbon dioxide themselves, CO2 is produced when hydrogen or electricity is produced from fossil fuels.

虽然燃料电池和电动汽车本身不会释放二氧化碳，但使用化石燃料生产氢气或电能依旧会产生二氧化碳。

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Molten carbonate fuel cell (MCFC) is an energy conversion device that converts chemical energy into electricity by oxidation of hydrogen or fossil fuels.

熔融碳酸盐燃料电池(MCFC)是一种通过氢或矿物燃料的氧化将化学能直接转化成电能的能源转化装置。

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Automakers are working furiously on fuel-cell technology, in the hope that it will free us from our dependence on fossil fuels and reduce pollution.

FORBES: Fueling Hope