Hamburg Ready to Fill Up With Hydrogen. Customers Aren’t So Sure. A nearly empty fuel station, one of several bets on hydrogen in this German city, reflects the great appeal, and challenge, of this clean fuel. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:The Doctor's World: A Lieutenant in Eradicating Smallpox Remembers the GeneralEat Well: This Is Probably the Least You’ll Weigh All Year. Sorry.Trilobites: Ringing Up a New Species of CrabTrilobites: Tardigrades Have the Right Stuff to Resist RadiationUnder Hawaii’s Starriest Skies, a Fight Over Sacred GroundIn Greek Warrior’s Grave, Rings of Power (and a Mirror and Combs)