Quote:
Originally Posted by khorboth
Quite true. Also, compressed gasses are good pretty much indefinitely. So, propane, butane, and the like may well still be around in limited quantity. Many forklifts and lawn mowers currently run on propane, and pre-fab homes generate electricity from the same. Producing more requires substantial infrastructure, but if reserves are located someone could be quite comfortable.
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How effective are the seals on typical pressurised tanks over the decades?