While fuelcell 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 fuelcell (MCFC) is an energy conversion device that converts chemical energy into electricity by oxidation of hydrogen or fossil fuels.