Re:What's the advantage of fuel cells in trains? (Score 2, Informative)

Ah...

"Much of Japan's fabulous rail system is electrified, but for those routes still running diesel-electric locomotives the NE-train is coming. The diesel generator is replaced with two 65 Kw Hydrogen powered fuel cells and a hydrogen tank to power the motors and it stores regenerative braking energy in batteries."

From here.