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When the Toyota FCV Concept was showcased at last year's Tokyo Motor Show, Toyota announced that it would be entering production in 2015. Well, since we're less than half a year away from 2015, it's about time we saw prototypes of a production version of the FCV Concept on the road.

We can see that the production car will keep a lot of the concept car's styling. This design has been many years in the making, first seen in 2011 in the form of the Toyota FCV-R concept. There are vertical daytime running lights integrated into the flared bumper, which appears to have swapped the concept's mesh grille to a new design that features horizontal bars.

This new car - rumoured to be called the Mirai, which is Japanese for future - is not a hybrid, despite its Prius-like roofline. It uses an electric motor, but the difference is what powers those motors - not batteries, but hydrogen.

The powertrain features Toyota's proprietary compact and lightweight fuel cell stack and a pair of high-pressure (70mPa) hydrogen tanks, located beneath the four-seater body. It can go 500 km on a full tank of hydrogen.