The GM HydroGen4 is the European version of the Chevrolet Equinox Fuel Cell. The HydroGen4’s fuel cell stack consists of 440 series-connected cells. The entire system produces an electrical output of up to 93 kW. With help from a 73 kW/100 hp synchronous electric motor, acceleration from zero to 100 km/h takes around 12 seconds. The front-wheel drive vehicle’s top speed is around 160 km/h. The car is a 4-seater with a 2+2 configuration. The car uses pressurized hydrogen as fuel and meets all US federal motor vehicle standards.