[butlerweave]

What’s the catch ?

[null and void]

What’s the catch ?

Electricity isn't free?

[Leaning Right]

> What’s the catch ? <

Unless I missed it, the article does not mention the energy needed to drive the electrochemical reactions. That energy could be minimal. Or it could be substantial.

[Mastador1]

Uses an immense amount of electricity and as a by product creates a hazardous material, but hey it’s green right?