In the rocky soil of Lorraine, a former coal mining region near the French-German border, scientists guided a small probe one recent day down a borehole half a mile into the earth’s crust. Frothing in the water table below was an exciting find: champagne-size bubbles that signaled a potentially mammoth cache of so-called white hydrogen, one of the cleanest-burning fuels in nature. “Hydrogen is magical — when you burn it you release water, so there are no carbon emissions to warm the planet,” said one of the scientists, Jacques Pironon, a senior researcher and professor at the University of Lorraine. “We think we’ve uncovered one of the largest deposits of natural hydrogen anywhere in the world.”The discovery by Mr. Pironon and another scientist, Philippe de Donato, both members of France’s respected National Center for Scientific Research, caused a sensation in France, where the government has vowed to become a European leader in clean hydrogen.

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Persons: ”, Jacques Pironon, “, Pironon, Philippe de Donato, France’s Organizations: University of Lorraine, National Center for Scientific Research Locations: Lorraine, France