This year's Los Angeles auto show will see the debut of Honda's third-generation fuel-cell powertrain, ensconced in its FCX cab-forward concept car (pictured), which debuted at last year's Tokyo Motor Show.

The FCX five-passenger sedan, not to be confused with the small FCX fuel-cell hatchback currently being road-tested in California and other states, will go into production "within three years" according to Honda. A system that Honda dubs the "vertical gas flow" fuel cell stack delivers more power in less space, and is compact enough to fit into the sedan's center tunnel.

Real-world testing of the FCX hatchback, coupled with the company's efforts to simplify infrastructure technology for hydrogen refueling (including its Home Energy Station), has probably put Honda well in the lead in the race to roll out the world's first production hydrogen-fueled car.

[Sources: Inside Line, Honda]

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