Already a naturally forming gas found under the Earth’s surface, hydrogen could offer an affordable, carbon-free fuel source to help guide humanity into the future. The problem is that naturally produced hydrogen has largely been ignored from an engineering and energy standpoint. 

But all of that is about to change. 

The U.S. Department of Energy’s (DOE) Advanced Research Projects Agency-Energy (ARPA-E) has committed $23 million to 19 exploratory projects looking at natural ways to produce hydrogen as an energy source.

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