Hydrogen power is a real thing after decades of being thirty years away. Harnessing hydrogen energy to replace burning fossil fuel for heavy trucks, port power, stationary generators is moving forward at a good pace. A critical mass of hydrogen passenger cars is still decades away. Shane Stephens, founder of First Element Fuel, just opened the company's first heavy-truck hydrogen refueling station at the Port of Oakland in CA. We discuss how fast converting diesel trucks to hydrogen can happen.