The new fuel cell stack is joined by a lithium - ion battery, which improves output and provides a seamless transition of power. (driving.ca)
The new and improve version is 25 % more fuel efficient thanks to a new high - performance fuel cell stack, better regenerative brakes, and more frugal auxiliary systems. (treehugger.com)
The sounds from the air blower's turbine that spins at around 200,000 rpm, the unique frequency of fuel cell stacks, the purging sound from the hydrogen cooling system and the high - pitched in - wheel motor sound harmoniously combine to produce a distinct race car rumble, further thrilling the driver. (hyundai.news)