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Gold/Mining/Energy : Strictly: Drilling and oil-field services
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To: WWS who wrote (73395)9/14/2000 12:54:18 PM
From: Think4Yourself  Read Replies (1) of 95453
 
OT: Good points about the hydrides. I have two key issues with actually storing hydrogen:

1. Accidents. Films showing cars exploding into flames when they hit are ludicrous. Gasoline must be mixed with air in certain proportions to be be flammable/explosive. In an accident you need the gasoline to be in steady contact with a high heat source long enought to generate the required air/fuel mixture, then you need a spark. The accident/sparks is going to be over by the time this happens. You may get fire that builds up and eventually consumes the vehicle, but not an explosion. This is in fact how GM slammed 20/20 about the truck side impacts causing the trucks to burst into flames. It was physically nearly impossible. 20/20 implanted devices in the trucks near the gas tanks to ignite the vapors in the ruptured tank while they were still concentrated enough to explode.

Not the case with hydrogen. It is immediately explosive, VERY explosive. Even with most storage captured in hydrides I am not convinced it is a great idea. Is it possible for the hydrides to suddenly release all their hydrogen in an accident due to depressurization, exposure to the atmosphere, etc?
2. refueling. Are you going to store and/or generate hydrogen in your home to refuel your vehicle? Not me, and I won't allow my neighbors to do it if I can stop it! Additionally if electricity is used to generate the hydrogen it is physically not possible with todays power situation. There are nowhere near enough power plants or transmission capability to handle an explosion (ha-ha) of hydrogen powered vehicles.

Lastly the gasoline processing/distribution mechanisms are already in place all around the world. That's why I think GM's approach is much better than Ford's.
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