
Donald Owens
Founder & Chairman
A green hydrogen systems design, integration and product development company supporting the implementation of a global hydrogen energy infrastructure.

HNO International is a green hydrogen systems design, integration and product development company. Our mission is to provide cost-effective, modular, scalable systems that produce, store, and dispense green and clean hydrogen to support the implementation of a global hydrogen energy infrastructure.
We support existing and emerging hydrogen markets, including regional hydrogen production, hydrogen off-take, logistics transportation refueling, and engine maintenance.


Founder & Chairman

Chief Financial Officer

VP of Sales & Marketing

Bitcoin Mining Operations

IR & Capital Formation

Marketing & Designing
Hydrogen is the new frontier and we have the power to change the global energy landscape forever. We honor this responsibility and work towards building clean energy systems that are accessible to all, leaving no communities behind.
We aim to create hydrogen systems that are zero-emission and reduce the impact of climate change today. We are intentional about every aspect of climate and social care on all of our system designs.
Decentralization and access are the keys to energy sovereignty. But you can’t empower yourself with something you don’t know or understand. Knowledge is power and along with building cost-effective systems, we educate people on the importance of clean hydrogen.
We make a commitment to foster an environment of trust, transparency, mutual respect, and gratitude; in our workplace, with our partners, and in the community. Ethical business practices are ingrained in our values and we prioritize employee success, safety, and fulfillment.







Donald Owens, founder and chairman, begins building electrolyzers in his garage.
Formation of HNO Green Fuels for research and development of green hydrogen products.
Secures 19 patents and conducts tests in CARB and EPA-certified labs.
HNO International is established via public shell, aiming to develop and commercialize hydrogen products.
Raises pre-seed round of $2 million.
Development of hydrogen carbon cleaning systems geared toward engine maintenance providers.
Development of hydrogen production and refueling systems.
First successful demonstration of CHRS, the compact hydrogen refueling station.
Begins building SHEP, the scalable hydrogen energy platform. The first commercial facility of its kind.
LeefH2™ moves into manufacturing, bringing hydrogen-assisted combustion to engines already on the road.
H-Power and DH-Power become available to order directly, with CE and FCC compliant testing completed.
Whether you’re exploring cleaner combustion or developing hydrogen infrastructure, our team is ready to help you find the right solution.