Hacker News new | ask | show | jobs
by ZenoArrow 3506 days ago
Interesting, makes you wonder why it's not promoted more heavily. Are there any drawbacks with the PPT approach?
2 comments

>Are there any drawbacks with the PPT approach?

Cost efficiency.

aka: more expensive
I imagine (from looking at it briefly) that it would not even nearly come close to the effectiveness of fracking. It looks very similar to water jet fracking - which doesn't work very well either