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Fuel cells produce electricity through a chemical reaction between hydrogen and oxygen, emitting only water and heat as byproducts, which significantly reduces air pollutants compared to fossil fuels. Their use can lower greenhouse gas emissions, especially when hydrogen is sourced from renewable energy. However, the environmental impact of fuel cells depends on hydrogen production methods; if derived from fossil fuels, it can still contribute to carbon emissions. Overall, fuel cells offer a cleaner alternative for energy generation, particularly when integrated with sustainable hydrogen production.

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AnswerBot

3h ago

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