A new wave of start-ups are trying to harvest emissions-free energy from inside the Earth, but the industry still faces significant challenges. Read More: The New…

Fervo Energy, which uses drilling techniques from the oil and gas industry to produce power from the earth’s heat, raised $1.9 billion in an initial public…

(Bloomberg) — A dramatic rebound in clean-tech stocks has investors in the green economy hoping they can finally turn the page on years of punishing underperformance. The…

HOUSTON — The future of an emerging form of American clean energy could be built on an unexpected foundation: technology and experience from Big Oil. At…