Honda's hydrogen fuel cell sedan can power your entire house

Honda unveiled its first production hydrogen-powered fuel cell sedan, the Clarity Fuel Cell, at the Tokyo Motor Show on Tuesday. Though Honda has dabbled in hydrogen power since the late 1980s, the five-passenger Clarity Fuel Cell sedan is the first hydrogen-powered model that the Japanese carmaker has intended to offer up to the public.

A quick refresher on hydrogen fuel cell vehicles: The cars transform hydrogen — in a unit called the fuel cell stack — into electricity, which is fed to a lithium-ion battery pack and out to an electric motor that turns the drive wheels. Essentially, think of it as an electric vehicle that can be refilled in three minutes and emits only water vapor out of its tailpipes. Read more...