Gold H2, a Houston-based startup, has successfully conducted a field trial in California's San Joaquin Basin where they utilized a pioneering biotechnology to produce clean hydrogen from oil reservoirs. By introducing a blend of microbes and nutrients into nearly depleted oil fields, the microorganisms break down the oil and excrete hydrogen, offering a cost-effective and environmentally friendly energy solution. The company aims to reduce production costs to $0.50 per kilogram, making it competitive with natural gas and boasting lower emissions than traditional fossil fuels. While the process shows promise, challenges remain in scaling up production to commercial levels and increasing hydrogen purity. Gold H2's field test achieved 40% purity, highlighting the need for costly purification processes. Additionally, uncertainties around federal incentives in the US pose a challenge, with potential changes in tax credits having implications on the demand for clean hydrogen domestically. In light of these challenges, Gold H2 is exploring opportunities for international expansion, eyeing markets in Canada, the Middle East, Europe, and Brazil. The company's CEO, Prabhdeep Singh Sekhon, remains optimistic about the global potential of their technology, emphasizing the importance of international deployment amidst regulatory uncertainties in the US.