[Signalman]

Also, the article says it produces “no pollutants”, only water into the air.

Isn’t water vapor a greenhouse gas?

[marktwain]

Also, the article says it produces “no pollutants”, only water into the air.

Isn’t water vapor a greenhouse gas?

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So is CO2. It should not be called a pollutant either.

Combine Hydrogen with carbon, and it becomes easy to store, transport, and use.