Mac - Your Propane tank in your yard isn't at 10,000 PSI is it ?
If your propane tank fails, you will lose your propane and if there is an ignition source, there will be a fire.
The fun thing about hydrogen at 10,000 PSI, is , if the hydrogen tank in your yard fails, you and your neighbors will disappear ... Even without an ignition source.
Mac - Hydrogen is so easy,
Georgia is a year behind schedule.