That's right, and so does generating the electricity to charge the battery. Which is why I don't have stories written about how no CO2 is released as I use my computer from its charged battery. It'd be fair to scorn me if I did.

BTW, I think it's great that this rocket emits almost nothing but steam at runtime.

Yes, let's not miss the real problem with global heating and ecological destruction: all the annoying grandstanding.

Ignore the doomsters and get on with cheering on another celebrity as they blast off into orbit!