Being electric, the engine and the car as a whole ... The humidifier monitors and maintains the level of humidity that the fuel cell stack needs to achieve peak operating efficiency.

so manufacturers "stack" fuel cells together in a series, as in a dry-cell battery. The more layers, the higher the voltage. Electrical current, meanwhile, has to do with surface area. The greater ...

A hydrogen fuel cell electric vehicle, or FCEV ... So, how do hydrogen cars stack up in these areas? When it comes to recharging, hydrogen cars have battery-electrics beat. At a supercharging ...