Hydrogen cars use a sealed nozzle to transfer compressed gas into the onboard tank. The station—not the driver—controls flow, pressure rise, temperature, and the stop point. Under normal conditions, a compatible passenger fuel cell electric vehicle (FCEV) refuels in about five minutes. Most passenger FCEVs use 700 bar storage; other platforms use 350 bar or … Continue reading How Do Hydrogen Cars Refuel? Process, Pressure, Time & Infrastructure