This Sunlight-Absorbing Paint Produces Clean Hydrogen Fuel from Moist Air | Big Think
- Unlike fossil fuels, hydrogen fuel doesnâ€™t affect the atmosphere. Itâ€™s actually the cleanest energy source of all, at least until nuclear fusion is possible. That could be decades or longer. With hydrogen fuel, the only byproduct is water. Whatâ€™s cleaner than that? And the technology already exists to utilize it.