Unverified50% confidenceFactExact time

The round-trip efficiency from electricity to electrolytic hydrogen to fuel and finally back to electricity via combustion is often only 25%–40%.

1

Sources

50%

Confidence

Long-term

Relevance

10/4/2026

First Seen

Sources

Making Gasoline from Thin Air: Why Synthetic Fuels Haven't Gone Mainstream Yet

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UnverifiedAccording to the U.S. Department of Energy, compressed air systems typically account for 20–30% of a factory's total electricity costs, and the efficiency of converting electrical energy to pneumatic energy is only approximately 10–15%.72% similar

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