We used gaseous hydrogen in a process at the GM plant where I worked in the 1970's. It was nearly impossible to maintain the supply system completely free of small leaks. Hydrogen will leak thru sub-microscopic imperfections to pipe/fittings/solder joints that no other gas can pass.
The H2 system was in fact so dangerous GM's fire insurance company required ALL hydrogen distribution piping/valving be located outside on the roof. Only the shortest possible vertical drop to the point of use inside was permitted. Even then the system suffered occasional leaks/fires - also several small explosions - from leaking H2 gas.
Bottom line: High cost aside, bulk hydrogen is simply TOO DANGEROUS to be entrusted to the general motoring public!
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Today's Featured Article - New Life for an Old Allis - by Tyler Woods. My friend Jon, has an old '39 Allis Chalmers B. He thought it a marginal tractor that had long since served its time. She smoked terribly and never had much power but he couldn't afford another so he was limping along with what he had. Jon's Allis has a small front loader and though it doesn't carry much, it serves his needs. It was the hard starting and low power that made him think it was time to replace the old girl. Jon called me to help him discover why his tractor wouldn't start
... [Read Article]
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