The motley collection of buses, limos, and cars that rolled out of Berlin this morning under a gray sky all had one thing in common: Nothing but steam coming out of their tailpipes. From a BMW luxury sedan to Toyota sport utility vehicles, the cars that pulled out of a fueling station in downtown Berlin were all powered from the fuel found in the brand-new pumps alongside the diesel and gasoline. The vehicles were tanked up on hydrogen, a zero-emissions fuel source that’s struggling to get off. (source: news.nationalgeographic.com)
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