2. Lee Cronin of the University of Glasgrow uses a liquid to store hydrogen as a liquid based inorganic fuel. He has developed a process for releasing hydrogen at 30 times greater volume per unit of energy than current electrolysis methods of hydrogen production. He calls this process, "artificial photosynthetic systems" and uses solar power as an energy source. (https://phys.org/news/2014-09-hydrogen-production-breakthrough-herald-cheap.html)
3. Evan Johnson of Hytech Power has a technology for creating a hydrogen boast for diesel engines to improve fuel efficiency. The hydrogen generator using titanium plates and electro-catalysts and electricity to produce hydrogen. A semi diesel engine can be retrofit with the hydrogen boast for about 10k. HyTech for cars stores hydrogen in hydrate metals under lower pressure of 200 psi yield mileage ranges of 300 miles. He has created a Liquid fuel for transporation. (https://www.vox.com/energy-and-environment/2018/2/16/16926950/hydrogen-fuel-technology-economy-hytech-storage)
4. The MIT plasmatron uses resonant pulsed electrolysis to release hydrogen producing brownian gas water that will burn. https://www.greenoptimistic.com/water-splitting-using-zero-point-energy-20080321/#.Wtym1kxFzn8
5. Mark Davis use manganese oxide to keep heat based hydrogen temperatures to 850 c versus 1000 c.(https://www.technologyreview.com/s/428260/a-better-way-to-get-hydrogen-from-water/)