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At the core of this vehicle are several innovations Hyundai says are aimed at easing mass production of hydrogen fuel-cell vehicles. Assembly of the entire system has been modularized, reducing the time needed to build each vehicle. Plates in the fuel stack were switched from graphite to metal, reducing the stack's cost and complexity. A move from permanent-magnet to induction motors meant a slight decrease in efficiency, but vast cost savings. And Hyundai swapped super capacitors for cheaper lithium-polymer batteries.

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