It may currently you cost you $849 a month to lease a Mercedes-Benz B-Class F-Cell (one of the few hyrodgen-fueled vehicles currently available to consumers), but Daimler says that cost will come down considerably in the next few years. Speaking with Automotive News, Daimler's Herbert Kohler said that by 2015 he expects a "fuel cell car will not cost more than a four-cylinder diesel hybrid that meets the Euro 6 emissions standard," which would seemingly place it in a race with Toyota and its promise of a