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To: Pogeu Mahone who wrote (150134)	8/18/2019 1:45:14 PM
From: Haim R. Branisteanu	Read Replies (1) \| Respond to of 218898

yep I know it happened, not clear why. Therefore as I wrote on my LinkedIn blog LOHC is much safer. In the same manner any gasoline filling station can also explode As a general remark, H2 is very light about 15 times lighter than air. A pure hydrogen fire looks quite differently - a sharp flame upwards.

To: Pogeu Mahone who wrote (150134)	8/19/2019 4:22:29 AM
From: Haim R. Branisteanu	Read Replies (1) \| Respond to of 218898

There are not a lot of details as to what exactly happened in Norway with the Hydrogen filling station I would offer some explanations. 1. Hydrogen is very reactive with Oxygen a known fact even that the gas by itself is neutral 2. It could be that there was a static spark, between the car and the filling nozzle and that also explains why all filling nozzle in gasoline station are made of metal so any static spark occurs before you insert the filling gasoline nozzle into you gasoline tank to fill up. 3. If there is a hydrogen leak the H2 gas speeds up into the atmosphere very very quickly as the density of O2 or N2 is around 1 Kg/ o.8 cubic meter and H2 density is around 1kg/12 cubic meters. H2 is about 15 times lighter than air. 4. It is obvious as in any new technology a lots of wrinkles must be straighten out, and as an example with the introduction of gasoline gas stations many gas station went up in flames for a variety of reasons. 5. As to batteries more than on battery powered car went up in flames (like Tesla as an example) and accidents that inflict damage to the battery pack usually end up burning the car. If you recall even Boeing had a Li Ion battery problem due to the buildup of dendrites in Li Ion batteries that short-circuit the battery. In summary in every place were great concentration of energy exist proper precaution must be built into the system. The Hindenburg example is a classic of the static electricity going uncontrolled, cumulus clouds collect a lot of static energy and therefore you have very high energy electrical discharges as very powerful lightings