Scientists, entrepreneurs and federal officials are searching furiously for a carbon-free fuel they hope to find buried underground. The search is fueled by a recent and dramatic change in thinking
A British company is prospecting for vast deposits of hydrogen buried in ancient rocks around the world including at potential sites in Cornwall, Scotland and Northern Ireland.
Koloma, which extracts naturally occurring hydrogen from underground deposits, added Khosla Ventures, Amazon and United as key backers in its biggest funding round.