Hydrogen is poised to play a critical role in the global energy transition from fossil fuels to renewables. The challenge: It’s not so easy to isolate. Entrepreneur Joe Sawa became more aware of that challenge as he worked on hydrogen projects at Shell and later pursued his MBA at UC Berkeley’s Haas School of Business, with a focus on energy and sustainability. Sawa’s interest in hydrogen separation came into focus when he met Milad Yavari, a research engineer at SRI who had developed adva...