Glossary / General

hydrogen

19 Episode Mentions
Too Afraid to Ask

Hydrogen is a gas that can be used in special cars to make electricity. The car’s engine turns the hydrogen into power, and the only waste is water vapor.

Technical Definition

Hydrogen fuel cells generate electricity by combining hydrogen with oxygen, producing only water as a by‑product. They’re being explored as an alternative to battery electric vehicles for long‑range and quick refueling.

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