Hydrogen tries to catch up in green car race

Laboratory assistant Miriam Grueneberg shows a model of a 250-fold enlargement of a hydrogen storage device using a glass capillary structure. The new containers would be much lighter than current hydrogen tanks — one major problem with using the fuel in cars.Hydrogen, one of Earth’s most abundant elements, once was seen as the answer to the petroleum-driven car: easy to produce, available everywhere and nonpolluting.

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