For example cars can run on hydrogen and one can make hydrogen through electrolysis of water. Powerful interests do sometimes suppress technology. There is a seed of truth there... but the overall presentation is telling a bigger story than that THEY are keeping it all hidden from you. You can't trust institutions, you can't trust science. We know this song well enough by now.
But, you see the whole presentation is playful and harmless! Then read the comments. 2/