Hydrogen fuel-cell vehicles produce only water vapor as emissions—water that could in theory be filtered and made potable. While that’s been the memorable party-trick of fuel-cell presentations over many years—well, that and some creative billboards—the lack of combustion gases being carried through the tailpipe creates a...Hydrogen fuel-cell vehicles produce only water vapor as emissions—water that could in theory be filtered and made potable. While that’s been the memorable party-trick of fuel-cell presentations over many years—well, that and some creative billboards—the lack of combustion gases being carried through the tailpipe creates a...
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