(https://forum.dhammacitta.org/proxy.php?request=http%3A%2F%2Fwww.metaefficient.com%2Fimages%2Fzero_energy_house_solar_hydrogen.jpg&hash=be84dde6e2c0b4112629557f73b85ecba02628da)
The New York Times just published a report on home that uses a unique system to generate hydrogen using solar power. The system was built by Mike Strizki, the 50-year-old director of Advanced Solar Products, a solar installation company, designed a backyard power plant that provides all the house's energy, using a combination of solar panels and solar-generated hydrogen.
http://www.metaefficient.com/architecture-and-building/zero-energy-house-it-uses-solar-power-and-hydrogen.html#more-792