http://rss.nytimes.com/c/34625/f/640350/s/45723834/sc/7/l/0L0Snytimes0N0C20A150C0A40C170Cautomobiles0Chydrogen0Efuel0Ecell0Ecars0Ereturn0Efor0Eanother0Erun0Bhtml0Dpartner0Frss0Gemc0Frss/story01.htm

While hydrogen-powered cars failed to gain traction in the past, they now are supported by increasingly strict California mandates.

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