[Manuel_D]

> Probably they are putting seed funding into a bunch of different start-ups, and will invest more as they see further evidence of viability. That is a much more productive activity than carping ignorantly from the sidelines

This is exactly what I'm saying: they're testing to see if this technology is viable, because we don't know if it's viable.

[ncmncm]

"Many a slip 'twixt cup and lip", "Count your chickens", and "Grass is greener" shed as much light.

If not this one, one or six among the other dozens. It's trivial electrochemistry, so the problems to be overcome are of manufacturing, which just needs money. And, we know hydrogen and ammonia synthesis work at scale; this is extra.