The ProtoHub offers a hands-on demonstration, training, and data innovation site for emerging energy systems Coralville, IA and Des Plaines, IL, Sept. 30, 2025 (GLOBE NEWSWIRE) -- SunHydrogen, Inc. (OTCQB: HYSR), the developer of a breakthrough technology that produces renewable hydrogen using sunlight and water, today announced that GTI Energy will provide safety review and on-site systems integration support to SunHydrogen’s hydrogen production pilot installation at the Hydrogen ProtoHub. GTI Energy and T ...