Mercedes-Benz is working on an affordable B-Class hydrogen fuel-cell car that will see production, on a small-scale, before the end of 2009.

It is likely that this hydrogen vehicle will at least somewhat based on the BlueZero concept (pictured above) that was revealed to a lot of interest earlier this year at the Detroit Auto Show.

Also, around the same time, Mercedes-Benz plans to build some Smart Fortwo hatchbacks for testing in the e-mobility Berlin project – what they are calling “the largest electric car field test in the world.”