[fleetside72]

I worked for a company that had old underground mines and a power company used them to fill with compressed air when energy was cheap and then release and generate electricity when it is more expensive. My company got a cut.

[reaperducer]

I used to have friends in the oil industry in the 90's, and I remember them talking about the industry maybe using dried up wells the same way.

I don't know if it ever became anything, though.

As much as people consider the oil industry a bunch of evildoers, it is always at the forefront of the absolute latest in tech. Hard problems + money does that.

[preordained]

Clever