I didn't. The comparison is that this is claimed to be cheaper than normal fuel extraction from the ground. But that relies on tech such as the permiable membrane developed from CNT, which AFAIK, no major breakthroughs have been made.

It's a bit like investment madness, in which investors are being swindled because no one is doing their due diligence to vet the tech and instead throwing money in a blind panic in FOMO.