HOUSTON, Texas -- A technology used in shale gas fracking is breathing new life into geothermal energy in the U.S., creating business opportunities for companies such as Japan's Mitsubishi Heavy Industries.
Mitsubishi Heavy invests in Houston startup applying method to renewal energy

Fervo Energy is developing a geothermal plant in the state of Utah. (Fervo Energy)
HOUSTON, Texas -- A technology used in shale gas fracking is breathing new life into geothermal energy in the U.S., creating business opportunities for companies such as Japan's Mitsubishi Heavy Industries.