Fuel cell cars that use hydrogen as fuel have the potential to be quiet, produce low emissions, and require less maintenance than gasoline cars. what negative effect might hydrogen fuel have on the environment?

Advocates for the use of hydrogen fuel cells posit that unlike other sources of power, these fuel cells do not emit harmful carbon emissions in the air that cause pollution and affect global warming. Although the chemical process involves burning hydrogen, it emits water, heat and other emissions but not carbon.

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