Will the Toyota Mirai Be The Ultimate Game Changer, or Toyota's Folly?

Will hydrogen eventually be competitive with gasoline and diesel? What are your thoughts, after reading the following article?
http://www.businessweek.com/articles/2014-12-17/toyota-embraces-fuel-cell-cars-for-post-gasoline-future
http://www.businessweek.com/articles/2014-12-17/toyota-embraces-fuel-cell-cars-for-post-gasoline-future
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