AltaRock has gone a bit quiet, but the technology is still progressing at pace. Here is a more recent article about Quaise (a spinoff from AltaRock). They’re s

AltaRock has gone a bit quiet, but the technology is still progressing at pace. Here is a more recent article about Quaise (a spinoff from AltaRock). They’re still in lab testing, but they’re having promising results and aim to start field testing next year. https://news.mit.edu/2022/quaise-energy-geothermal-0628 https://news.mit.edu/2022/quaise-energy-geothermal-0628